Home / 108,446.06-149,655.52-60,699.40

Finding the Fourth Proportional to 108,446.06, 149,655.52 and 60,699.40

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Solution

The fourth proportional to 108,446.06, 149,655.52 and 60,699.40 is: 83,765.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,446.06 : 149,655.52 = 60,699.40 : x
  2. Step 2: Convert to fraction form
    108,446.06/149,655.52 = 60,699.40/x
  3. Step 3: Cross multiply
    108,446.06x = 149,655.52 × 60,699.40
  4. Step 4: Simplify right side
    108,446.06x = 9,084,000,270.69
  5. Step 5: Solve for x
    x = 9,084,000,270.69/108,446.06
  6. Step 6: Final answer
    x = 83,765.15

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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.