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Finding the Fourth Proportional to 149,754.48, 224,512.20 and 86,502.48

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Solution

The fourth proportional to 149,754.48, 224,512.20 and 86,502.48 is: 129,684.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,754.48 : 224,512.20 = 86,502.48 : x
  2. Step 2: Convert to fraction form
    149,754.48/224,512.20 = 86,502.48/x
  3. Step 3: Cross multiply
    149,754.48x = 224,512.20 × 86,502.48
  4. Step 4: Simplify right side
    149,754.48x = 19,420,862,090.26
  5. Step 5: Solve for x
    x = 19,420,862,090.26/149,754.48
  6. Step 6: Final answer
    x = 129,684.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.