Home / 102,756.20-154,134.30-32,642.60

Finding the Fourth Proportional to 102,756.20, 154,134.30 and 32,642.60

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Solution

The fourth proportional to 102,756.20, 154,134.30 and 32,642.60 is: 48,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,756.20 : 154,134.30 = 32,642.60 : x
  2. Step 2: Convert to fraction form
    102,756.20/154,134.30 = 32,642.60/x
  3. Step 3: Cross multiply
    102,756.20x = 154,134.30 × 32,642.60
  4. Step 4: Simplify right side
    102,756.20x = 5,031,344,301.18
  5. Step 5: Solve for x
    x = 5,031,344,301.18/102,756.20
  6. Step 6: Final answer
    x = 48,963.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.