Home / 108,166.32-149,270.04-60,421.68

Finding the Fourth Proportional to 108,166.32, 149,270.04 and 60,421.68

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Solution

The fourth proportional to 108,166.32, 149,270.04 and 60,421.68 is: 83,382.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,166.32 : 149,270.04 = 60,421.68 : x
  2. Step 2: Convert to fraction form
    108,166.32/149,270.04 = 60,421.68/x
  3. Step 3: Cross multiply
    108,166.32x = 149,270.04 × 60,421.68
  4. Step 4: Simplify right side
    108,166.32x = 9,019,146,590.47
  5. Step 5: Solve for x
    x = 9,019,146,590.47/108,166.32
  6. Step 6: Final answer
    x = 83,382.21

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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.