Home / 108,221.24-149,342.45-60,474.98

Finding the Fourth Proportional to 108,221.24, 149,342.45 and 60,474.98

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Solution

The fourth proportional to 108,221.24, 149,342.45 and 60,474.98 is: 83,453.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,221.24 : 149,342.45 = 60,474.98 : x
  2. Step 2: Convert to fraction form
    108,221.24/149,342.45 = 60,474.98/x
  3. Step 3: Cross multiply
    108,221.24x = 149,342.45 × 60,474.98
  4. Step 4: Simplify right side
    108,221.24x = 9,031,480,627.81
  5. Step 5: Solve for x
    x = 9,031,480,627.81/108,221.24
  6. Step 6: Final answer
    x = 83,453.87

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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.