Home / 152,938.20-229,407.30-99,794.10

Finding the Fourth Proportional to 152,938.20, 229,407.30 and 99,794.10

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Solution

The fourth proportional to 152,938.20, 229,407.30 and 99,794.10 is: 149,691.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,938.20 : 229,407.30 = 99,794.10 : x
  2. Step 2: Convert to fraction form
    152,938.20/229,407.30 = 99,794.10/x
  3. Step 3: Cross multiply
    152,938.20x = 229,407.30 × 99,794.10
  4. Step 4: Simplify right side
    152,938.20x = 22,893,495,036.93
  5. Step 5: Solve for x
    x = 22,893,495,036.93/152,938.20
  6. Step 6: Final answer
    x = 149,691.15

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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.