Home / 251,037.32-376,619.76-71,122.55

Finding the Fourth Proportional to 251,037.32, 376,619.76 and 71,122.55

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Solution

The fourth proportional to 251,037.32, 376,619.76 and 71,122.55 is: 106,701.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,037.32 : 376,619.76 = 71,122.55 : x
  2. Step 2: Convert to fraction form
    251,037.32/376,619.76 = 71,122.55/x
  3. Step 3: Cross multiply
    251,037.32x = 376,619.76 × 71,122.55
  4. Step 4: Simplify right side
    251,037.32x = 26,786,155,828.49
  5. Step 5: Solve for x
    x = 26,786,155,828.49/251,037.32
  6. Step 6: Final answer
    x = 106,701.89

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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.