Home / 115,004.80-172,507.20-36,118.90

Finding the Fourth Proportional to 115,004.80, 172,507.20 and 36,118.90

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Solution

The fourth proportional to 115,004.80, 172,507.20 and 36,118.90 is: 54,178.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,004.80 : 172,507.20 = 36,118.90 : x
  2. Step 2: Convert to fraction form
    115,004.80/172,507.20 = 36,118.90/x
  3. Step 3: Cross multiply
    115,004.80x = 172,507.20 × 36,118.90
  4. Step 4: Simplify right side
    115,004.80x = 6,230,770,306.08
  5. Step 5: Solve for x
    x = 6,230,770,306.08/115,004.80
  6. Step 6: Final answer
    x = 54,178.35

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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.