Home / 154,307.19-231,559.20-65,560.69

Finding the Fourth Proportional to 154,307.19, 231,559.20 and 65,560.69

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Solution

The fourth proportional to 154,307.19, 231,559.20 and 65,560.69 is: 98,382.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,307.19 : 231,559.20 = 65,560.69 : x
  2. Step 2: Convert to fraction form
    154,307.19/231,559.20 = 65,560.69/x
  3. Step 3: Cross multiply
    154,307.19x = 231,559.20 × 65,560.69
  4. Step 4: Simplify right side
    154,307.19x = 15,181,180,927.85
  5. Step 5: Solve for x
    x = 15,181,180,927.85/154,307.19
  6. Step 6: Final answer
    x = 98,382.85

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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.