Home / 141,724.26-195,580.02-78,061.91

Finding the Fourth Proportional to 141,724.26, 195,580.02 and 78,061.91

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Solution

The fourth proportional to 141,724.26, 195,580.02 and 78,061.91 is: 107,725.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,724.26 : 195,580.02 = 78,061.91 : x
  2. Step 2: Convert to fraction form
    141,724.26/195,580.02 = 78,061.91/x
  3. Step 3: Cross multiply
    141,724.26x = 195,580.02 × 78,061.91
  4. Step 4: Simplify right side
    141,724.26x = 15,267,348,941.14
  5. Step 5: Solve for x
    x = 15,267,348,941.14/141,724.26
  6. Step 6: Final answer
    x = 107,725.73

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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.