Home / 108,088.82-149,156.36-60,345.20

Finding the Fourth Proportional to 108,088.82, 149,156.36 and 60,345.20

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Solution

The fourth proportional to 108,088.82, 149,156.36 and 60,345.20 is: 83,272.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,088.82 : 149,156.36 = 60,345.20 : x
  2. Step 2: Convert to fraction form
    108,088.82/149,156.36 = 60,345.20/x
  3. Step 3: Cross multiply
    108,088.82x = 149,156.36 × 60,345.20
  4. Step 4: Simplify right side
    108,088.82x = 9,000,870,375.47
  5. Step 5: Solve for x
    x = 9,000,870,375.47/108,088.82
  6. Step 6: Final answer
    x = 83,272.91

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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.