Home / 154,278.23-231,434.36-49,072.59

Finding the Fourth Proportional to 154,278.23, 231,434.36 and 49,072.59

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Solution

The fourth proportional to 154,278.23, 231,434.36 and 49,072.59 is: 73,614.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,278.23 : 231,434.36 = 49,072.59 : x
  2. Step 2: Convert to fraction form
    154,278.23/231,434.36 = 49,072.59/x
  3. Step 3: Cross multiply
    154,278.23x = 231,434.36 × 49,072.59
  4. Step 4: Simplify right side
    154,278.23x = 11,357,083,214.83
  5. Step 5: Solve for x
    x = 11,357,083,214.83/154,278.23
  6. Step 6: Final answer
    x = 73,614.30

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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.