Home / 141,781.24-195,648.95-84,424.77

Finding the Fourth Proportional to 141,781.24, 195,648.95 and 84,424.77

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Solution

The fourth proportional to 141,781.24, 195,648.95 and 84,424.77 is: 116,500.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,781.24 : 195,648.95 = 84,424.77 : x
  2. Step 2: Convert to fraction form
    141,781.24/195,648.95 = 84,424.77/x
  3. Step 3: Cross multiply
    141,781.24x = 195,648.95 × 84,424.77
  4. Step 4: Simplify right side
    141,781.24x = 16,517,617,815.55
  5. Step 5: Solve for x
    x = 16,517,617,815.55/141,781.24
  6. Step 6: Final answer
    x = 116,500.73

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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.