Home / 140,327.04-193,593.96-103,621.20

Finding the Fourth Proportional to 140,327.04, 193,593.96 and 103,621.20

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Solution

The fourth proportional to 140,327.04, 193,593.96 and 103,621.20 is: 142,954.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,327.04 : 193,593.96 = 103,621.20 : x
  2. Step 2: Convert to fraction form
    140,327.04/193,593.96 = 103,621.20/x
  3. Step 3: Cross multiply
    140,327.04x = 193,593.96 × 103,621.20
  4. Step 4: Simplify right side
    140,327.04x = 20,060,438,447.95
  5. Step 5: Solve for x
    x = 20,060,438,447.95/140,327.04
  6. Step 6: Final answer
    x = 142,954.90

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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.