Home / 103,575.33-142,930.85-58,255.83

Finding the Fourth Proportional to 103,575.33, 142,930.85 and 58,255.83

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Solution

The fourth proportional to 103,575.33, 142,930.85 and 58,255.83 is: 80,391.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,575.33 : 142,930.85 = 58,255.83 : x
  2. Step 2: Convert to fraction form
    103,575.33/142,930.85 = 58,255.83/x
  3. Step 3: Cross multiply
    103,575.33x = 142,930.85 × 58,255.83
  4. Step 4: Simplify right side
    103,575.33x = 8,326,555,008.08
  5. Step 5: Solve for x
    x = 8,326,555,008.08/103,575.33
  6. Step 6: Final answer
    x = 80,391.30

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1.5x scale

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.