Home / 141,782.24-195,663.92-81,363.93

Finding the Fourth Proportional to 141,782.24, 195,663.92 and 81,363.93

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Solution

The fourth proportional to 141,782.24, 195,663.92 and 81,363.93 is: 112,284.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,782.24 : 195,663.92 = 81,363.93 : x
  2. Step 2: Convert to fraction form
    141,782.24/195,663.92 = 81,363.93/x
  3. Step 3: Cross multiply
    141,782.24x = 195,663.92 × 81,363.93
  4. Step 4: Simplify right side
    141,782.24x = 15,919,985,083.59
  5. Step 5: Solve for x
    x = 15,919,985,083.59/141,782.24
  6. Step 6: Final answer
    x = 112,284.77

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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.