Home / 90,775.35-136,233.90-62,891.10

Finding the Fourth Proportional to 90,775.35, 136,233.90 and 62,891.10

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Solution

The fourth proportional to 90,775.35, 136,233.90 and 62,891.10 is: 94,385.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,775.35 : 136,233.90 = 62,891.10 : x
  2. Step 2: Convert to fraction form
    90,775.35/136,233.90 = 62,891.10/x
  3. Step 3: Cross multiply
    90,775.35x = 136,233.90 × 62,891.10
  4. Step 4: Simplify right side
    90,775.35x = 8,567,899,828.29
  5. Step 5: Solve for x
    x = 8,567,899,828.29/90,775.35
  6. Step 6: Final answer
    x = 94,385.75

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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.