Home / 254,497.89-381,165.26-121,471.52

Finding the Fourth Proportional to 254,497.89, 381,165.26 and 121,471.52

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Solution

The fourth proportional to 254,497.89, 381,165.26 and 121,471.52 is: 181,929.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,497.89 : 381,165.26 = 121,471.52 : x
  2. Step 2: Convert to fraction form
    254,497.89/381,165.26 = 121,471.52/x
  3. Step 3: Cross multiply
    254,497.89x = 381,165.26 × 121,471.52
  4. Step 4: Simplify right side
    254,497.89x = 46,300,723,848.95
  5. Step 5: Solve for x
    x = 46,300,723,848.95/254,497.89
  6. Step 6: Final answer
    x = 181,929.70

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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.