Home / 121,149.20-181,572.60-62,008.40

Finding the Fourth Proportional to 121,149.20, 181,572.60 and 62,008.40

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Solution

The fourth proportional to 121,149.20, 181,572.60 and 62,008.40 is: 92,935.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,149.20 : 181,572.60 = 62,008.40 : x
  2. Step 2: Convert to fraction form
    121,149.20/181,572.60 = 62,008.40/x
  3. Step 3: Cross multiply
    121,149.20x = 181,572.60 × 62,008.40
  4. Step 4: Simplify right side
    121,149.20x = 11,259,026,409.84
  5. Step 5: Solve for x
    x = 11,259,026,409.84/121,149.20
  6. Step 6: Final answer
    x = 92,935.21

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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.