Home / 154,184.31-231,301.37-47,543.36

Finding the Fourth Proportional to 154,184.31, 231,301.37 and 47,543.36

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Solution

The fourth proportional to 154,184.31, 231,301.37 and 47,543.36 is: 71,322.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,184.31 : 231,301.37 = 47,543.36 : x
  2. Step 2: Convert to fraction form
    154,184.31/231,301.37 = 47,543.36/x
  3. Step 3: Cross multiply
    154,184.31x = 231,301.37 × 47,543.36
  4. Step 4: Simplify right side
    154,184.31x = 10,996,843,264.75
  5. Step 5: Solve for x
    x = 10,996,843,264.75/154,184.31
  6. Step 6: Final answer
    x = 71,322.71

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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.