Home / 156,964.43-216,606.39-88,987.70

Finding the Fourth Proportional to 156,964.43, 216,606.39 and 88,987.70

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Solution

The fourth proportional to 156,964.43, 216,606.39 and 88,987.70 is: 122,800.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,964.43 : 216,606.39 = 88,987.70 : x
  2. Step 2: Convert to fraction form
    156,964.43/216,606.39 = 88,987.70/x
  3. Step 3: Cross multiply
    156,964.43x = 216,606.39 × 88,987.70
  4. Step 4: Simplify right side
    156,964.43x = 19,275,304,451.40
  5. Step 5: Solve for x
    x = 19,275,304,451.40/156,964.43
  6. Step 6: Final answer
    x = 122,800.46

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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.