Home / 160,981.30-222,143.07-89,355.68

Finding the Fourth Proportional to 160,981.30, 222,143.07 and 89,355.68

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Solution

The fourth proportional to 160,981.30, 222,143.07 and 89,355.68 is: 123,304.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,981.30 : 222,143.07 = 89,355.68 : x
  2. Step 2: Convert to fraction form
    160,981.30/222,143.07 = 89,355.68/x
  3. Step 3: Cross multiply
    160,981.30x = 222,143.07 × 89,355.68
  4. Step 4: Simplify right side
    160,981.30x = 19,849,745,077.14
  5. Step 5: Solve for x
    x = 19,849,745,077.14/160,981.30
  6. Step 6: Final answer
    x = 123,304.66

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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.