Home / 140,401.28-193,731.34-79,973.10

Finding the Fourth Proportional to 140,401.28, 193,731.34 and 79,973.10

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Solution

The fourth proportional to 140,401.28, 193,731.34 and 79,973.10 is: 110,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,401.28 : 193,731.34 = 79,973.10 : x
  2. Step 2: Convert to fraction form
    140,401.28/193,731.34 = 79,973.10/x
  3. Step 3: Cross multiply
    140,401.28x = 193,731.34 × 79,973.10
  4. Step 4: Simplify right side
    140,401.28x = 15,493,295,826.95
  5. Step 5: Solve for x
    x = 15,493,295,826.95/140,401.28
  6. Step 6: Final answer
    x = 110,350.10

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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.