Home / 149,742.13-206,569.57-89,270.17

Finding the Fourth Proportional to 149,742.13, 206,569.57 and 89,270.17

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Solution

The fourth proportional to 149,742.13, 206,569.57 and 89,270.17 is: 123,148.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,742.13 : 206,569.57 = 89,270.17 : x
  2. Step 2: Convert to fraction form
    149,742.13/206,569.57 = 89,270.17/x
  3. Step 3: Cross multiply
    149,742.13x = 206,569.57 × 89,270.17
  4. Step 4: Simplify right side
    149,742.13x = 18,440,500,630.73
  5. Step 5: Solve for x
    x = 18,440,500,630.73/149,742.13
  6. Step 6: Final answer
    x = 123,148.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.