Home / 88,928.20-133,359.90-29,765.80

Finding the Fourth Proportional to 88,928.20, 133,359.90 and 29,765.80

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Solution

The fourth proportional to 88,928.20, 133,359.90 and 29,765.80 is: 44,637.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,928.20 : 133,359.90 = 29,765.80 : x
  2. Step 2: Convert to fraction form
    88,928.20/133,359.90 = 29,765.80/x
  3. Step 3: Cross multiply
    88,928.20x = 133,359.90 × 29,765.80
  4. Step 4: Simplify right side
    88,928.20x = 3,969,564,111.42
  5. Step 5: Solve for x
    x = 3,969,564,111.42/88,928.20
  6. Step 6: Final answer
    x = 44,637.86

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1.5x scale

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.