Home / 230,150.15-345,226.13-80,389.86

Finding the Fourth Proportional to 230,150.15, 345,226.13 and 80,389.86

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Solution

The fourth proportional to 230,150.15, 345,226.13 and 80,389.86 is: 120,585.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,150.15 : 345,226.13 = 80,389.86 : x
  2. Step 2: Convert to fraction form
    230,150.15/345,226.13 = 80,389.86/x
  3. Step 3: Cross multiply
    230,150.15x = 345,226.13 × 80,389.86
  4. Step 4: Simplify right side
    230,150.15x = 27,752,680,259.04
  5. Step 5: Solve for x
    x = 27,752,680,259.04/230,150.15
  6. Step 6: Final answer
    x = 120,585.11

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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.