Home / 148,930.20-223,856.10-146,165.40

Finding the Fourth Proportional to 148,930.20, 223,856.10 and 146,165.40

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Solution

The fourth proportional to 148,930.20, 223,856.10 and 146,165.40 is: 219,700.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,930.20 : 223,856.10 = 146,165.40 : x
  2. Step 2: Convert to fraction form
    148,930.20/223,856.10 = 146,165.40/x
  3. Step 3: Cross multiply
    148,930.20x = 223,856.10 × 146,165.40
  4. Step 4: Simplify right side
    148,930.20x = 32,720,016,398.94
  5. Step 5: Solve for x
    x = 32,720,016,398.94/148,930.20
  6. Step 6: Final answer
    x = 219,700.35

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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.