Home / 103,245.92-142,445.64-60,215.60

Finding the Fourth Proportional to 103,245.92, 142,445.64 and 60,215.60

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Solution

The fourth proportional to 103,245.92, 142,445.64 and 60,215.60 is: 83,077.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,245.92 : 142,445.64 = 60,215.60 : x
  2. Step 2: Convert to fraction form
    103,245.92/142,445.64 = 60,215.60/x
  3. Step 3: Cross multiply
    103,245.92x = 142,445.64 × 60,215.60
  4. Step 4: Simplify right side
    103,245.92x = 8,577,449,679.98
  5. Step 5: Solve for x
    x = 8,577,449,679.98/103,245.92
  6. Step 6: Final answer
    x = 83,077.86

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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.