Home / 88,927.20-133,358.40-29,764.80

Finding the Fourth Proportional to 88,927.20, 133,358.40 and 29,764.80

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Solution

The fourth proportional to 88,927.20, 133,358.40 and 29,764.80 is: 44,636.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,927.20 : 133,358.40 = 29,764.80 : x
  2. Step 2: Convert to fraction form
    88,927.20/133,358.40 = 29,764.80/x
  3. Step 3: Cross multiply
    88,927.20x = 133,358.40 × 29,764.80
  4. Step 4: Simplify right side
    88,927.20x = 3,969,386,104.32
  5. Step 5: Solve for x
    x = 3,969,386,104.32/88,927.20
  6. Step 6: Final answer
    x = 44,636.36

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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.