Home / 231,129.40-346,521.30-97,900.60

Finding the Fourth Proportional to 231,129.40, 346,521.30 and 97,900.60

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Solution

The fourth proportional to 231,129.40, 346,521.30 and 97,900.60 is: 146,777.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,129.40 : 346,521.30 = 97,900.60 : x
  2. Step 2: Convert to fraction form
    231,129.40/346,521.30 = 97,900.60/x
  3. Step 3: Cross multiply
    231,129.40x = 346,521.30 × 97,900.60
  4. Step 4: Simplify right side
    231,129.40x = 33,924,643,182.78
  5. Step 5: Solve for x
    x = 33,924,643,182.78/231,129.40
  6. Step 6: Final answer
    x = 146,777.71

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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.