Home / 152,002.70-228,004.05-128,383.10

Finding the Fourth Proportional to 152,002.70, 228,004.05 and 128,383.10

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Solution

The fourth proportional to 152,002.70, 228,004.05 and 128,383.10 is: 192,574.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,002.70 : 228,004.05 = 128,383.10 : x
  2. Step 2: Convert to fraction form
    152,002.70/228,004.05 = 128,383.10/x
  3. Step 3: Cross multiply
    152,002.70x = 228,004.05 × 128,383.10
  4. Step 4: Simplify right side
    152,002.70x = 29,271,866,751.56
  5. Step 5: Solve for x
    x = 29,271,866,751.56/152,002.70
  6. Step 6: Final answer
    x = 192,574.65

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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.