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Finding the Fourth Proportional to 160,397.84, 221,345.71 and 88,773.59

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Solution

The fourth proportional to 160,397.84, 221,345.71 and 88,773.59 is: 122,505.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,397.84 : 221,345.71 = 88,773.59 : x
  2. Step 2: Convert to fraction form
    160,397.84/221,345.71 = 88,773.59/x
  3. Step 3: Cross multiply
    160,397.84x = 221,345.71 × 88,773.59
  4. Step 4: Simplify right side
    160,397.84x = 19,649,651,757.20
  5. Step 5: Solve for x
    x = 19,649,651,757.20/160,397.84
  6. Step 6: Final answer
    x = 122,505.72

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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.