Home / 154,348.80-231,375.36-49,109.76

Finding the Fourth Proportional to 154,348.80, 231,375.36 and 49,109.76

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Solution

The fourth proportional to 154,348.80, 231,375.36 and 49,109.76 is: 73,617.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,348.80 : 231,375.36 = 49,109.76 : x
  2. Step 2: Convert to fraction form
    154,348.80/231,375.36 = 49,109.76/x
  3. Step 3: Cross multiply
    154,348.80x = 231,375.36 × 49,109.76
  4. Step 4: Simplify right side
    154,348.80x = 11,362,788,399.51
  5. Step 5: Solve for x
    x = 11,362,788,399.51/154,348.80
  6. Step 6: Final answer
    x = 73,617.60

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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.