Home / 129,949.40-194,924.10-63,432.20

Finding the Fourth Proportional to 129,949.40, 194,924.10 and 63,432.20

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Solution

The fourth proportional to 129,949.40, 194,924.10 and 63,432.20 is: 95,148.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,949.40 : 194,924.10 = 63,432.20 : x
  2. Step 2: Convert to fraction form
    129,949.40/194,924.10 = 63,432.20/x
  3. Step 3: Cross multiply
    129,949.40x = 194,924.10 × 63,432.20
  4. Step 4: Simplify right side
    129,949.40x = 12,364,464,496.02
  5. Step 5: Solve for x
    x = 12,364,464,496.02/129,949.40
  6. Step 6: Final answer
    x = 95,148.30

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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.