Home / 141,382.26-195,094.98-77,718.69

Finding the Fourth Proportional to 141,382.26, 195,094.98 and 77,718.69

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Solution

The fourth proportional to 141,382.26, 195,094.98 and 77,718.69 is: 107,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,382.26 : 195,094.98 = 77,718.69 : x
  2. Step 2: Convert to fraction form
    141,382.26/195,094.98 = 77,718.69/x
  3. Step 3: Cross multiply
    141,382.26x = 195,094.98 × 77,718.69
  4. Step 4: Simplify right side
    141,382.26x = 15,162,526,271.18
  5. Step 5: Solve for x
    x = 15,162,526,271.18/141,382.26
  6. Step 6: Final answer
    x = 107,244.90

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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.