Home / 102,540.32-141,462.01-64,273.74

Finding the Fourth Proportional to 102,540.32, 141,462.01 and 64,273.74

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Solution

The fourth proportional to 102,540.32, 141,462.01 and 64,273.74 is: 88,670.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,540.32 : 141,462.01 = 64,273.74 : x
  2. Step 2: Convert to fraction form
    102,540.32/141,462.01 = 64,273.74/x
  3. Step 3: Cross multiply
    102,540.32x = 141,462.01 × 64,273.74
  4. Step 4: Simplify right side
    102,540.32x = 9,092,292,450.62
  5. Step 5: Solve for x
    x = 9,092,292,450.62/102,540.32
  6. Step 6: Final answer
    x = 88,670.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.