Home / 251,828.92-377,743.29-85,616.92

Finding the Fourth Proportional to 251,828.92, 377,743.29 and 85,616.92

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Solution

The fourth proportional to 251,828.92, 377,743.29 and 85,616.92 is: 128,425.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,828.92 : 377,743.29 = 85,616.92 : x
  2. Step 2: Convert to fraction form
    251,828.92/377,743.29 = 85,616.92/x
  3. Step 3: Cross multiply
    251,828.92x = 377,743.29 × 85,616.92
  4. Step 4: Simplify right side
    251,828.92x = 32,341,217,040.47
  5. Step 5: Solve for x
    x = 32,341,217,040.47/251,828.92
  6. Step 6: Final answer
    x = 128,425.35

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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.