Home / 108,462.29-149,600.81-99,538.61

Finding the Fourth Proportional to 108,462.29, 149,600.81 and 99,538.61

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Solution

The fourth proportional to 108,462.29, 149,600.81 and 99,538.61 is: 137,292.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,462.29 : 149,600.81 = 99,538.61 : x
  2. Step 2: Convert to fraction form
    108,462.29/149,600.81 = 99,538.61/x
  3. Step 3: Cross multiply
    108,462.29x = 149,600.81 × 99,538.61
  4. Step 4: Simplify right side
    108,462.29x = 14,891,056,184.58
  5. Step 5: Solve for x
    x = 14,891,056,184.58/108,462.29
  6. Step 6: Final answer
    x = 137,292.47

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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.