Home / 229,494.20-316,686.66-132,690.74

Finding the Fourth Proportional to 229,494.20, 316,686.66 and 132,690.74

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Solution

The fourth proportional to 229,494.20, 316,686.66 and 132,690.74 is: 183,104.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,494.20 : 316,686.66 = 132,690.74 : x
  2. Step 2: Convert to fraction form
    229,494.20/316,686.66 = 132,690.74/x
  3. Step 3: Cross multiply
    229,494.20x = 316,686.66 × 132,690.74
  4. Step 4: Simplify right side
    229,494.20x = 42,021,385,680.10
  5. Step 5: Solve for x
    x = 42,021,385,680.10/229,494.20
  6. Step 6: Final answer
    x = 183,104.35

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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.