Home / 103,610.60-142,974.44-58,279.55

Finding the Fourth Proportional to 103,610.60, 142,974.44 and 58,279.55

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Solution

The fourth proportional to 103,610.60, 142,974.44 and 58,279.55 is: 80,421.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,610.60 : 142,974.44 = 58,279.55 : x
  2. Step 2: Convert to fraction form
    103,610.60/142,974.44 = 58,279.55/x
  3. Step 3: Cross multiply
    103,610.60x = 142,974.44 × 58,279.55
  4. Step 4: Simplify right side
    103,610.60x = 8,332,486,527.84
  5. Step 5: Solve for x
    x = 8,332,486,527.84/103,610.60
  6. Step 6: Final answer
    x = 80,421.18

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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.