Home / 115,230.80-172,846.20-108,232.40

Finding the Fourth Proportional to 115,230.80, 172,846.20 and 108,232.40

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Solution

The fourth proportional to 115,230.80, 172,846.20 and 108,232.40 is: 162,348.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,230.80 : 172,846.20 = 108,232.40 : x
  2. Step 2: Convert to fraction form
    115,230.80/172,846.20 = 108,232.40/x
  3. Step 3: Cross multiply
    115,230.80x = 172,846.20 × 108,232.40
  4. Step 4: Simplify right side
    115,230.80x = 18,707,559,056.88
  5. Step 5: Solve for x
    x = 18,707,559,056.88/115,230.80
  6. Step 6: Final answer
    x = 162,348.60

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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.