Home / 89,056.80-132,567.48-87,728.04

Finding the Fourth Proportional to 89,056.80, 132,567.48 and 87,728.04

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Solution

The fourth proportional to 89,056.80, 132,567.48 and 87,728.04 is: 130,589.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,056.80 : 132,567.48 = 87,728.04 : x
  2. Step 2: Convert to fraction form
    89,056.80/132,567.48 = 87,728.04/x
  3. Step 3: Cross multiply
    89,056.80x = 132,567.48 × 87,728.04
  4. Step 4: Simplify right side
    89,056.80x = 11,629,885,188.14
  5. Step 5: Solve for x
    x = 11,629,885,188.14/89,056.80
  6. Step 6: Final answer
    x = 130,589.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.