Home / 154,342.35-231,530.54-49,136.85

Finding the Fourth Proportional to 154,342.35, 231,530.54 and 49,136.85

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Solution

The fourth proportional to 154,342.35, 231,530.54 and 49,136.85 is: 73,710.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,342.35 : 231,530.54 = 49,136.85 : x
  2. Step 2: Convert to fraction form
    154,342.35/231,530.54 = 49,136.85/x
  3. Step 3: Cross multiply
    154,342.35x = 231,530.54 × 49,136.85
  4. Step 4: Simplify right side
    154,342.35x = 11,376,681,168.71
  5. Step 5: Solve for x
    x = 11,376,681,168.71/154,342.35
  6. Step 6: Final answer
    x = 73,710.69

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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.