Home / 115,152.28-172,778.67-40,326.13

Finding the Fourth Proportional to 115,152.28, 172,778.67 and 40,326.13

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Solution

The fourth proportional to 115,152.28, 172,778.67 and 40,326.13 is: 60,506.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,152.28 : 172,778.67 = 40,326.13 : x
  2. Step 2: Convert to fraction form
    115,152.28/172,778.67 = 40,326.13/x
  3. Step 3: Cross multiply
    115,152.28x = 172,778.67 × 40,326.13
  4. Step 4: Simplify right side
    115,152.28x = 6,967,495,107.65
  5. Step 5: Solve for x
    x = 6,967,495,107.65/115,152.28
  6. Step 6: Final answer
    x = 60,506.79

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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.