Home / 250,811.28-346,123.80-137,644.56

Finding the Fourth Proportional to 250,811.28, 346,123.80 and 137,644.56

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Solution

The fourth proportional to 250,811.28, 346,123.80 and 137,644.56 is: 189,951.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,811.28 : 346,123.80 = 137,644.56 : x
  2. Step 2: Convert to fraction form
    250,811.28/346,123.80 = 137,644.56/x
  3. Step 3: Cross multiply
    250,811.28x = 346,123.80 × 137,644.56
  4. Step 4: Simplify right side
    250,811.28x = 47,642,058,156.53
  5. Step 5: Solve for x
    x = 47,642,058,156.53/250,811.28
  6. Step 6: Final answer
    x = 189,951.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.