Home / 152,004.70-228,007.05-128,385.10

Finding the Fourth Proportional to 152,004.70, 228,007.05 and 128,385.10

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Solution

The fourth proportional to 152,004.70, 228,007.05 and 128,385.10 is: 192,577.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,004.70 : 228,007.05 = 128,385.10 : x
  2. Step 2: Convert to fraction form
    152,004.70/228,007.05 = 128,385.10/x
  3. Step 3: Cross multiply
    152,004.70x = 228,007.05 × 128,385.10
  4. Step 4: Simplify right side
    152,004.70x = 29,272,707,914.96
  5. Step 5: Solve for x
    x = 29,272,707,914.96/152,004.70
  6. Step 6: Final answer
    x = 192,577.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.