Home / 231,118.40-346,711.20-97,998.40

Finding the Fourth Proportional to 231,118.40, 346,711.20 and 97,998.40

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Solution

The fourth proportional to 231,118.40, 346,711.20 and 97,998.40 is: 147,011.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,118.40 : 346,711.20 = 97,998.40 : x
  2. Step 2: Convert to fraction form
    231,118.40/346,711.20 = 97,998.40/x
  3. Step 3: Cross multiply
    231,118.40x = 346,711.20 × 97,998.40
  4. Step 4: Simplify right side
    231,118.40x = 33,977,142,862.08
  5. Step 5: Solve for x
    x = 33,977,142,862.08/231,118.40
  6. Step 6: Final answer
    x = 147,011.85

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1.5x scale

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.