Home / 104,732.20-157,098.30-81,375.40

Finding the Fourth Proportional to 104,732.20, 157,098.30 and 81,375.40

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Solution

The fourth proportional to 104,732.20, 157,098.30 and 81,375.40 is: 122,063.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,732.20 : 157,098.30 = 81,375.40 : x
  2. Step 2: Convert to fraction form
    104,732.20/157,098.30 = 81,375.40/x
  3. Step 3: Cross multiply
    104,732.20x = 157,098.30 × 81,375.40
  4. Step 4: Simplify right side
    104,732.20x = 12,783,937,001.82
  5. Step 5: Solve for x
    x = 12,783,937,001.82/104,732.20
  6. Step 6: Final answer
    x = 122,063.10

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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.