Home / 254,453.23-381,098.50-121,426.90

Finding the Fourth Proportional to 254,453.23, 381,098.50 and 121,426.90

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Solution

The fourth proportional to 254,453.23, 381,098.50 and 121,426.90 is: 181,862.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,453.23 : 381,098.50 = 121,426.90 : x
  2. Step 2: Convert to fraction form
    254,453.23/381,098.50 = 121,426.90/x
  3. Step 3: Cross multiply
    254,453.23x = 381,098.50 × 121,426.90
  4. Step 4: Simplify right side
    254,453.23x = 46,275,609,449.65
  5. Step 5: Solve for x
    x = 46,275,609,449.65/254,453.23
  6. Step 6: Final answer
    x = 181,862.93

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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.