Home / 108,288.45-149,438.70-60,542.55

Finding the Fourth Proportional to 108,288.45, 149,438.70 and 60,542.55

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Solution

The fourth proportional to 108,288.45, 149,438.70 and 60,542.55 is: 83,549.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,288.45 : 149,438.70 = 60,542.55 : x
  2. Step 2: Convert to fraction form
    108,288.45/149,438.70 = 60,542.55/x
  3. Step 3: Cross multiply
    108,288.45x = 149,438.70 × 60,542.55
  4. Step 4: Simplify right side
    108,288.45x = 9,047,399,966.69
  5. Step 5: Solve for x
    x = 9,047,399,966.69/108,288.45
  6. Step 6: Final answer
    x = 83,549.08

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1.5x scale

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.