Home / 148,787.74-223,099.60-77,532.55

Finding the Fourth Proportional to 148,787.74, 223,099.60 and 77,532.55

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Solution

The fourth proportional to 148,787.74, 223,099.60 and 77,532.55 is: 116,256.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,787.74 : 223,099.60 = 77,532.55 : x
  2. Step 2: Convert to fraction form
    148,787.74/223,099.60 = 77,532.55/x
  3. Step 3: Cross multiply
    148,787.74x = 223,099.60 × 77,532.55
  4. Step 4: Simplify right side
    148,787.74x = 17,297,480,891.98
  5. Step 5: Solve for x
    x = 17,297,480,891.98/148,787.74
  6. Step 6: Final answer
    x = 116,256.09

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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.