Home / 254,561.18-381,924.72-121,424.13

Finding the Fourth Proportional to 254,561.18, 381,924.72 and 121,424.13

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Solution

The fourth proportional to 254,561.18, 381,924.72 and 121,424.13 is: 182,175.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,561.18 : 381,924.72 = 121,424.13 : x
  2. Step 2: Convert to fraction form
    254,561.18/381,924.72 = 121,424.13/x
  3. Step 3: Cross multiply
    254,561.18x = 381,924.72 × 121,424.13
  4. Step 4: Simplify right side
    254,561.18x = 46,374,876,851.49
  5. Step 5: Solve for x
    x = 46,374,876,851.49/254,561.18
  6. Step 6: Final answer
    x = 182,175.77

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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.