Home / 108,346.21-149,531.87-60,609.47

Finding the Fourth Proportional to 108,346.21, 149,531.87 and 60,609.47

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Solution

The fourth proportional to 108,346.21, 149,531.87 and 60,609.47 is: 83,648.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,346.21 : 149,531.87 = 60,609.47 : x
  2. Step 2: Convert to fraction form
    108,346.21/149,531.87 = 60,609.47/x
  3. Step 3: Cross multiply
    108,346.21x = 149,531.87 × 60,609.47
  4. Step 4: Simplify right side
    108,346.21x = 9,063,046,792.67
  5. Step 5: Solve for x
    x = 9,063,046,792.67/108,346.21
  6. Step 6: Final answer
    x = 83,648.95

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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.