Home / 115,042.36-172,613.75-40,216.18

Finding the Fourth Proportional to 115,042.36, 172,613.75 and 40,216.18

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Solution

The fourth proportional to 115,042.36, 172,613.75 and 40,216.18 is: 60,341.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,042.36 : 172,613.75 = 40,216.18 : x
  2. Step 2: Convert to fraction form
    115,042.36/172,613.75 = 40,216.18/x
  3. Step 3: Cross multiply
    115,042.36x = 172,613.75 × 40,216.18
  4. Step 4: Simplify right side
    115,042.36x = 6,941,865,640.48
  5. Step 5: Solve for x
    x = 6,941,865,640.48/115,042.36
  6. Step 6: Final answer
    x = 60,341.82

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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.