Home / 161,319.84-222,626.52-89,702.88

Finding the Fourth Proportional to 161,319.84, 222,626.52 and 89,702.88

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Solution

The fourth proportional to 161,319.84, 222,626.52 and 89,702.88 is: 123,792.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,319.84 : 222,626.52 = 89,702.88 : x
  2. Step 2: Convert to fraction form
    161,319.84/222,626.52 = 89,702.88/x
  3. Step 3: Cross multiply
    161,319.84x = 222,626.52 × 89,702.88
  4. Step 4: Simplify right side
    161,319.84x = 19,970,240,008.38
  5. Step 5: Solve for x
    x = 19,970,240,008.38/161,319.84
  6. Step 6: Final answer
    x = 123,792.83

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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.