Home / 161,331.90-222,635.22-89,710.38

Finding the Fourth Proportional to 161,331.90, 222,635.22 and 89,710.38

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Solution

The fourth proportional to 161,331.90, 222,635.22 and 89,710.38 is: 123,798.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,331.90 : 222,635.22 = 89,710.38 : x
  2. Step 2: Convert to fraction form
    161,331.90/222,635.22 = 89,710.38/x
  3. Step 3: Cross multiply
    161,331.90x = 222,635.22 × 89,710.38
  4. Step 4: Simplify right side
    161,331.90x = 19,972,689,851.17
  5. Step 5: Solve for x
    x = 19,972,689,851.17/161,331.90
  6. Step 6: Final answer
    x = 123,798.77

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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.