Home / 151,124.20-226,860.90-81,140.20

Finding the Fourth Proportional to 151,124.20, 226,860.90 and 81,140.20

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Solution

The fourth proportional to 151,124.20, 226,860.90 and 81,140.20 is: 121,804.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,124.20 : 226,860.90 = 81,140.20 : x
  2. Step 2: Convert to fraction form
    151,124.20/226,860.90 = 81,140.20/x
  3. Step 3: Cross multiply
    151,124.20x = 226,860.90 × 81,140.20
  4. Step 4: Simplify right side
    151,124.20x = 18,407,538,798.18
  5. Step 5: Solve for x
    x = 18,407,538,798.18/151,124.20
  6. Step 6: Final answer
    x = 121,804.04

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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.