Home / 154,472.30-231,535.65-65,710.70

Finding the Fourth Proportional to 154,472.30, 231,535.65 and 65,710.70

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Solution

The fourth proportional to 154,472.30, 231,535.65 and 65,710.70 is: 98,492.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,472.30 : 231,535.65 = 65,710.70 : x
  2. Step 2: Convert to fraction form
    154,472.30/231,535.65 = 65,710.70/x
  3. Step 3: Cross multiply
    154,472.30x = 231,535.65 × 65,710.70
  4. Step 4: Simplify right side
    154,472.30x = 15,214,369,636.46
  5. Step 5: Solve for x
    x = 15,214,369,636.46/154,472.30
  6. Step 6: Final answer
    x = 98,492.54

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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.