Home / 103,621.28-143,002.46-58,296.92

Finding the Fourth Proportional to 103,621.28, 143,002.46 and 58,296.92

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Solution

The fourth proportional to 103,621.28, 143,002.46 and 58,296.92 is: 80,452.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,621.28 : 143,002.46 = 58,296.92 : x
  2. Step 2: Convert to fraction form
    103,621.28/143,002.46 = 58,296.92/x
  3. Step 3: Cross multiply
    103,621.28x = 143,002.46 × 58,296.92
  4. Step 4: Simplify right side
    103,621.28x = 8,336,602,401.15
  5. Step 5: Solve for x
    x = 8,336,602,401.15/103,621.28
  6. Step 6: Final answer
    x = 80,452.61

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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.