Home / 256,797.20-385,084.22-121,899.93

Finding the Fourth Proportional to 256,797.20, 385,084.22 and 121,899.93

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Solution

The fourth proportional to 256,797.20, 385,084.22 and 121,899.93 is: 182,796.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,797.20 : 385,084.22 = 121,899.93 : x
  2. Step 2: Convert to fraction form
    256,797.20/385,084.22 = 121,899.93/x
  3. Step 3: Cross multiply
    256,797.20x = 385,084.22 × 121,899.93
  4. Step 4: Simplify right side
    256,797.20x = 46,941,739,462.10
  5. Step 5: Solve for x
    x = 46,941,739,462.10/256,797.20
  6. Step 6: Final answer
    x = 182,796.93

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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.