Home / 136,521.42-204,874.35-47,775.69

Finding the Fourth Proportional to 136,521.42, 204,874.35 and 47,775.69

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Solution

The fourth proportional to 136,521.42, 204,874.35 and 47,775.69 is: 71,695.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,521.42 : 204,874.35 = 47,775.69 : x
  2. Step 2: Convert to fraction form
    136,521.42/204,874.35 = 47,775.69/x
  3. Step 3: Cross multiply
    136,521.42x = 204,874.35 × 47,775.69
  4. Step 4: Simplify right side
    136,521.42x = 9,788,013,255.39
  5. Step 5: Solve for x
    x = 9,788,013,255.39/136,521.42
  6. Step 6: Final answer
    x = 71,695.81

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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.