Home / 133,246.20-199,869.30-88,631.40

Finding the Fourth Proportional to 133,246.20, 199,869.30 and 88,631.40

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Solution

The fourth proportional to 133,246.20, 199,869.30 and 88,631.40 is: 132,947.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,246.20 : 199,869.30 = 88,631.40 : x
  2. Step 2: Convert to fraction form
    133,246.20/199,869.30 = 88,631.40/x
  3. Step 3: Cross multiply
    133,246.20x = 199,869.30 × 88,631.40
  4. Step 4: Simplify right side
    133,246.20x = 17,714,695,876.02
  5. Step 5: Solve for x
    x = 17,714,695,876.02/133,246.20
  6. Step 6: Final answer
    x = 132,947.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.