Home / 161,087.57-222,294.71-89,472.20

Finding the Fourth Proportional to 161,087.57, 222,294.71 and 89,472.20

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Solution

The fourth proportional to 161,087.57, 222,294.71 and 89,472.20 is: 123,468.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,087.57 : 222,294.71 = 89,472.20 : x
  2. Step 2: Convert to fraction form
    161,087.57/222,294.71 = 89,472.20/x
  3. Step 3: Cross multiply
    161,087.57x = 222,294.71 × 89,472.20
  4. Step 4: Simplify right side
    161,087.57x = 19,889,195,864.27
  5. Step 5: Solve for x
    x = 19,889,195,864.27/161,087.57
  6. Step 6: Final answer
    x = 123,468.22

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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.