Home / 231,285.40-346,929.18-98,132.20

Finding the Fourth Proportional to 231,285.40, 346,929.18 and 98,132.20

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Solution

The fourth proportional to 231,285.40, 346,929.18 and 98,132.20 is: 147,198.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,285.40 : 346,929.18 = 98,132.20 : x
  2. Step 2: Convert to fraction form
    231,285.40/346,929.18 = 98,132.20/x
  3. Step 3: Cross multiply
    231,285.40x = 346,929.18 × 98,132.20
  4. Step 4: Simplify right side
    231,285.40x = 34,044,923,677.60
  5. Step 5: Solve for x
    x = 34,044,923,677.60/231,285.40
  6. Step 6: Final answer
    x = 147,198.76

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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.