Home / 154,436.70-231,741.45-65,675.10

Finding the Fourth Proportional to 154,436.70, 231,741.45 and 65,675.10

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Solution

The fourth proportional to 154,436.70, 231,741.45 and 65,675.10 is: 98,549.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,436.70 : 231,741.45 = 65,675.10 : x
  2. Step 2: Convert to fraction form
    154,436.70/231,741.45 = 65,675.10/x
  3. Step 3: Cross multiply
    154,436.70x = 231,741.45 × 65,675.10
  4. Step 4: Simplify right side
    154,436.70x = 15,219,642,902.90
  5. Step 5: Solve for x
    x = 15,219,642,902.90/154,436.70
  6. Step 6: Final answer
    x = 98,549.39

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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.