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Finding the Fourth Proportional to 160,159.88, 221,001.40 and 88,530.10

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Solution

The fourth proportional to 160,159.88, 221,001.40 and 88,530.10 is: 122,160.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,159.88 : 221,001.40 = 88,530.10 : x
  2. Step 2: Convert to fraction form
    160,159.88/221,001.40 = 88,530.10/x
  3. Step 3: Cross multiply
    160,159.88x = 221,001.40 × 88,530.10
  4. Step 4: Simplify right side
    160,159.88x = 19,565,276,042.14
  5. Step 5: Solve for x
    x = 19,565,276,042.14/160,159.88
  6. Step 6: Final answer
    x = 122,160.91

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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.