Home / 108,387.39-149,577.26-60,643.83

Finding the Fourth Proportional to 108,387.39, 149,577.26 and 60,643.83

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Solution

The fourth proportional to 108,387.39, 149,577.26 and 60,643.83 is: 83,689.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,387.39 : 149,577.26 = 60,643.83 : x
  2. Step 2: Convert to fraction form
    108,387.39/149,577.26 = 60,643.83/x
  3. Step 3: Cross multiply
    108,387.39x = 149,577.26 × 60,643.83
  4. Step 4: Simplify right side
    108,387.39x = 9,070,937,624.09
  5. Step 5: Solve for x
    x = 9,070,937,624.09/108,387.39
  6. Step 6: Final answer
    x = 83,689.97

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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.