Home / 141,371.61-195,138.29-90,521.28

Finding the Fourth Proportional to 141,371.61, 195,138.29 and 90,521.28

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Solution

The fourth proportional to 141,371.61, 195,138.29 and 90,521.28 is: 124,948.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,371.61 : 195,138.29 = 90,521.28 : x
  2. Step 2: Convert to fraction form
    141,371.61/195,138.29 = 90,521.28/x
  3. Step 3: Cross multiply
    141,371.61x = 195,138.29 × 90,521.28
  4. Step 4: Simplify right side
    141,371.61x = 17,664,167,335.20
  5. Step 5: Solve for x
    x = 17,664,167,335.20/141,371.61
  6. Step 6: Final answer
    x = 124,948.48

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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.