Home / 342,149.32-472,151.19-187,097.74

Finding the Fourth Proportional to 342,149.32, 472,151.19 and 187,097.74

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Solution

The fourth proportional to 342,149.32, 472,151.19 and 187,097.74 is: 258,186.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,149.32 : 472,151.19 = 187,097.74 : x
  2. Step 2: Convert to fraction form
    342,149.32/472,151.19 = 187,097.74/x
  3. Step 3: Cross multiply
    342,149.32x = 472,151.19 × 187,097.74
  4. Step 4: Simplify right side
    342,149.32x = 88,338,420,587.31
  5. Step 5: Solve for x
    x = 88,338,420,587.31/342,149.32
  6. Step 6: Final answer
    x = 258,186.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.