Home / 127,943.72-192,081.89-98,382.32

Finding the Fourth Proportional to 127,943.72, 192,081.89 and 98,382.32

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Solution

The fourth proportional to 127,943.72, 192,081.89 and 98,382.32 is: 147,701.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,943.72 : 192,081.89 = 98,382.32 : x
  2. Step 2: Convert to fraction form
    127,943.72/192,081.89 = 98,382.32/x
  3. Step 3: Cross multiply
    127,943.72x = 192,081.89 × 98,382.32
  4. Step 4: Simplify right side
    127,943.72x = 18,897,460,515.86
  5. Step 5: Solve for x
    x = 18,897,460,515.86/127,943.72
  6. Step 6: Final answer
    x = 147,701.36

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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.