Home / 251,934.71-377,824.20-83,420.15

Finding the Fourth Proportional to 251,934.71, 377,824.20 and 83,420.15

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Solution

The fourth proportional to 251,934.71, 377,824.20 and 83,420.15 is: 125,104.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,934.71 : 377,824.20 = 83,420.15 : x
  2. Step 2: Convert to fraction form
    251,934.71/377,824.20 = 83,420.15/x
  3. Step 3: Cross multiply
    251,934.71x = 377,824.20 × 83,420.15
  4. Step 4: Simplify right side
    251,934.71x = 31,518,151,437.63
  5. Step 5: Solve for x
    x = 31,518,151,437.63/251,934.71
  6. Step 6: Final answer
    x = 125,104.44

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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.