Home / 138,766.06-208,148.69-54,467.24

Finding the Fourth Proportional to 138,766.06, 208,148.69 and 54,467.24

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Solution

The fourth proportional to 138,766.06, 208,148.69 and 54,467.24 is: 81,700.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,766.06 : 208,148.69 = 54,467.24 : x
  2. Step 2: Convert to fraction form
    138,766.06/208,148.69 = 54,467.24/x
  3. Step 3: Cross multiply
    138,766.06x = 208,148.69 × 54,467.24
  4. Step 4: Simplify right side
    138,766.06x = 11,337,283,442.96
  5. Step 5: Solve for x
    x = 11,337,283,442.96/138,766.06
  6. Step 6: Final answer
    x = 81,700.69

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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.