Home / 254,613.69-381,339.18-121,587.66

Finding the Fourth Proportional to 254,613.69, 381,339.18 and 121,587.66

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Solution

The fourth proportional to 254,613.69, 381,339.18 and 121,587.66 is: 182,103.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,613.69 : 381,339.18 = 121,587.66 : x
  2. Step 2: Convert to fraction form
    254,613.69/381,339.18 = 121,587.66/x
  3. Step 3: Cross multiply
    254,613.69x = 381,339.18 × 121,587.66
  4. Step 4: Simplify right side
    254,613.69x = 46,366,138,562.52
  5. Step 5: Solve for x
    x = 46,366,138,562.52/254,613.69
  6. Step 6: Final answer
    x = 182,103.87

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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.