Home / 88,206.40-132,007.20-53,171.20

Finding the Fourth Proportional to 88,206.40, 132,007.20 and 53,171.20

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Solution

The fourth proportional to 88,206.40, 132,007.20 and 53,171.20 is: 79,574.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,206.40 : 132,007.20 = 53,171.20 : x
  2. Step 2: Convert to fraction form
    88,206.40/132,007.20 = 53,171.20/x
  3. Step 3: Cross multiply
    88,206.40x = 132,007.20 × 53,171.20
  4. Step 4: Simplify right side
    88,206.40x = 7,018,981,232.64
  5. Step 5: Solve for x
    x = 7,018,981,232.64/88,206.40
  6. Step 6: Final answer
    x = 79,574.51

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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.