Home / 109,279.10-163,870.05-50,132.90

Finding the Fourth Proportional to 109,279.10, 163,870.05 and 50,132.90

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Solution

The fourth proportional to 109,279.10, 163,870.05 and 50,132.90 is: 75,177.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,279.10 : 163,870.05 = 50,132.90 : x
  2. Step 2: Convert to fraction form
    109,279.10/163,870.05 = 50,132.90/x
  3. Step 3: Cross multiply
    109,279.10x = 163,870.05 × 50,132.90
  4. Step 4: Simplify right side
    109,279.10x = 8,215,280,829.65
  5. Step 5: Solve for x
    x = 8,215,280,829.65/109,279.10
  6. Step 6: Final answer
    x = 75,177.05

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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.