Home / 77,851.25-116,793.30-25,256.66

Finding the Fourth Proportional to 77,851.25, 116,793.30 and 25,256.66

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Solution

The fourth proportional to 77,851.25, 116,793.30 and 25,256.66 is: 37,890.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,851.25 : 116,793.30 = 25,256.66 : x
  2. Step 2: Convert to fraction form
    77,851.25/116,793.30 = 25,256.66/x
  3. Step 3: Cross multiply
    77,851.25x = 116,793.30 × 25,256.66
  4. Step 4: Simplify right side
    77,851.25x = 2,949,808,084.41
  5. Step 5: Solve for x
    x = 2,949,808,084.41/77,851.25
  6. Step 6: Final answer
    x = 37,890.31

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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.