Home / 88,742.75-132,434.91-79,276.46

Finding the Fourth Proportional to 88,742.75, 132,434.91 and 79,276.46

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Solution

The fourth proportional to 88,742.75, 132,434.91 and 79,276.46 is: 118,307.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,742.75 : 132,434.91 = 79,276.46 : x
  2. Step 2: Convert to fraction form
    88,742.75/132,434.91 = 79,276.46/x
  3. Step 3: Cross multiply
    88,742.75x = 132,434.91 × 79,276.46
  4. Step 4: Simplify right side
    88,742.75x = 10,498,970,183.04
  5. Step 5: Solve for x
    x = 10,498,970,183.04/88,742.75
  6. Step 6: Final answer
    x = 118,307.93

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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.