Home / 154,439.40-231,681.18-49,259.56

Finding the Fourth Proportional to 154,439.40, 231,681.18 and 49,259.56

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Solution

The fourth proportional to 154,439.40, 231,681.18 and 49,259.56 is: 73,896.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,439.40 : 231,681.18 = 49,259.56 : x
  2. Step 2: Convert to fraction form
    154,439.40/231,681.18 = 49,259.56/x
  3. Step 3: Cross multiply
    154,439.40x = 231,681.18 × 49,259.56
  4. Step 4: Simplify right side
    154,439.40x = 11,412,512,987.08
  5. Step 5: Solve for x
    x = 11,412,512,987.08/154,439.40
  6. Step 6: Final answer
    x = 73,896.38

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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.