Home / 124,588.48-171,872.34-81,549.04

Finding the Fourth Proportional to 124,588.48, 171,872.34 and 81,549.04

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Solution

The fourth proportional to 124,588.48, 171,872.34 and 81,549.04 is: 112,498.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,588.48 : 171,872.34 = 81,549.04 : x
  2. Step 2: Convert to fraction form
    124,588.48/171,872.34 = 81,549.04/x
  3. Step 3: Cross multiply
    124,588.48x = 171,872.34 × 81,549.04
  4. Step 4: Simplify right side
    124,588.48x = 14,016,024,329.55
  5. Step 5: Solve for x
    x = 14,016,024,329.55/124,588.48
  6. Step 6: Final answer
    x = 112,498.56

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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.