Home / 103,519.70-142,862.24-58,211.94

Finding the Fourth Proportional to 103,519.70, 142,862.24 and 58,211.94

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Solution

The fourth proportional to 103,519.70, 142,862.24 and 58,211.94 is: 80,335.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,519.70 : 142,862.24 = 58,211.94 : x
  2. Step 2: Convert to fraction form
    103,519.70/142,862.24 = 58,211.94/x
  3. Step 3: Cross multiply
    103,519.70x = 142,862.24 × 58,211.94
  4. Step 4: Simplify right side
    103,519.70x = 8,316,288,143.15
  5. Step 5: Solve for x
    x = 8,316,288,143.15/103,519.70
  6. Step 6: Final answer
    x = 80,335.32

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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.