Home / 152,161.72-228,156.18-127,356.28

Finding the Fourth Proportional to 152,161.72, 228,156.18 and 127,356.28

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Solution

The fourth proportional to 152,161.72, 228,156.18 and 127,356.28 is: 190,962.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,161.72 : 228,156.18 = 127,356.28 : x
  2. Step 2: Convert to fraction form
    152,161.72/228,156.18 = 127,356.28/x
  3. Step 3: Cross multiply
    152,161.72x = 228,156.18 × 127,356.28
  4. Step 4: Simplify right side
    152,161.72x = 29,057,122,343.81
  5. Step 5: Solve for x
    x = 29,057,122,343.81/152,161.72
  6. Step 6: Final answer
    x = 190,962.10

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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.