Home / 92,443.20-138,538.44-42,501.84

Finding the Fourth Proportional to 92,443.20, 138,538.44 and 42,501.84

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Solution

The fourth proportional to 92,443.20, 138,538.44 and 42,501.84 is: 63,694.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,443.20 : 138,538.44 = 42,501.84 : x
  2. Step 2: Convert to fraction form
    92,443.20/138,538.44 = 42,501.84/x
  3. Step 3: Cross multiply
    92,443.20x = 138,538.44 × 42,501.84
  4. Step 4: Simplify right side
    92,443.20x = 5,888,138,610.73
  5. Step 5: Solve for x
    x = 5,888,138,610.73/92,443.20
  6. Step 6: Final answer
    x = 63,694.66

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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.