Home / 154,704.47-231,837.80-65,868.53

Finding the Fourth Proportional to 154,704.47, 231,837.80 and 65,868.53

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Solution

The fourth proportional to 154,704.47, 231,837.80 and 65,868.53 is: 98,709.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,704.47 : 231,837.80 = 65,868.53 : x
  2. Step 2: Convert to fraction form
    154,704.47/231,837.80 = 65,868.53/x
  3. Step 3: Cross multiply
    154,704.47x = 231,837.80 × 65,868.53
  4. Step 4: Simplify right side
    154,704.47x = 15,270,813,595.90
  5. Step 5: Solve for x
    x = 15,270,813,595.90/154,704.47
  6. Step 6: Final answer
    x = 98,709.59

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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.