Home / 155,964.60-215,221.14-88,892.28

Finding the Fourth Proportional to 155,964.60, 215,221.14 and 88,892.28

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Solution

The fourth proportional to 155,964.60, 215,221.14 and 88,892.28 is: 122,665.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,964.60 : 215,221.14 = 88,892.28 : x
  2. Step 2: Convert to fraction form
    155,964.60/215,221.14 = 88,892.28/x
  3. Step 3: Cross multiply
    155,964.60x = 215,221.14 × 88,892.28
  4. Step 4: Simplify right side
    155,964.60x = 19,131,497,838.80
  5. Step 5: Solve for x
    x = 19,131,497,838.80/155,964.60
  6. Step 6: Final answer
    x = 122,665.64

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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.