Home / 103,372.32-142,645.68-58,660.32

Finding the Fourth Proportional to 103,372.32, 142,645.68 and 58,660.32

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Solution

The fourth proportional to 103,372.32, 142,645.68 and 58,660.32 is: 80,946.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,372.32 : 142,645.68 = 58,660.32 : x
  2. Step 2: Convert to fraction form
    103,372.32/142,645.68 = 58,660.32/x
  3. Step 3: Cross multiply
    103,372.32x = 142,645.68 × 58,660.32
  4. Step 4: Simplify right side
    103,372.32x = 8,367,641,235.42
  5. Step 5: Solve for x
    x = 8,367,641,235.42/103,372.32
  6. Step 6: Final answer
    x = 80,946.63

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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.