Home / 154,437.02-231,507.57-49,187.78

Finding the Fourth Proportional to 154,437.02, 231,507.57 and 49,187.78

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Solution

The fourth proportional to 154,437.02, 231,507.57 and 49,187.78 is: 73,734.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,437.02 : 231,507.57 = 49,187.78 : x
  2. Step 2: Convert to fraction form
    154,437.02/231,507.57 = 49,187.78/x
  3. Step 3: Cross multiply
    154,437.02x = 231,507.57 × 49,187.78
  4. Step 4: Simplify right side
    154,437.02x = 11,387,343,421.49
  5. Step 5: Solve for x
    x = 11,387,343,421.49/154,437.02
  6. Step 6: Final answer
    x = 73,734.55

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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.