Home / 231,158.40-346,738.68-98,005.20

Finding the Fourth Proportional to 231,158.40, 346,738.68 and 98,005.20

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Solution

The fourth proportional to 231,158.40, 346,738.68 and 98,005.20 is: 147,008.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,158.40 : 346,738.68 = 98,005.20 : x
  2. Step 2: Convert to fraction form
    231,158.40/346,738.68 = 98,005.20/x
  3. Step 3: Cross multiply
    231,158.40x = 346,738.68 × 98,005.20
  4. Step 4: Simplify right side
    231,158.40x = 33,982,193,681.14
  5. Step 5: Solve for x
    x = 33,982,193,681.14/231,158.40
  6. Step 6: Final answer
    x = 147,008.26

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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.