Home / 141,754.61-195,621.35-78,092.40

Finding the Fourth Proportional to 141,754.61, 195,621.35 and 78,092.40

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Solution

The fourth proportional to 141,754.61, 195,621.35 and 78,092.40 is: 107,767.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,754.61 : 195,621.35 = 78,092.40 : x
  2. Step 2: Convert to fraction form
    141,754.61/195,621.35 = 78,092.40/x
  3. Step 3: Cross multiply
    141,754.61x = 195,621.35 × 78,092.40
  4. Step 4: Simplify right side
    141,754.61x = 15,276,541,220.58
  5. Step 5: Solve for x
    x = 15,276,541,220.58/141,754.61
  6. Step 6: Final answer
    x = 107,767.51

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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.