Home / 251,787.42-377,585.55-83,257.20

Finding the Fourth Proportional to 251,787.42, 377,585.55 and 83,257.20

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Solution

The fourth proportional to 251,787.42, 377,585.55 and 83,257.20 is: 124,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,787.42 : 377,585.55 = 83,257.20 : x
  2. Step 2: Convert to fraction form
    251,787.42/377,585.55 = 83,257.20/x
  3. Step 3: Cross multiply
    251,787.42x = 377,585.55 × 83,257.20
  4. Step 4: Simplify right side
    251,787.42x = 31,436,715,653.46
  5. Step 5: Solve for x
    x = 31,436,715,653.46/251,787.42
  6. Step 6: Final answer
    x = 124,854.20

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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.