Home / 88,072.68-132,107.28-21,510.84

Finding the Fourth Proportional to 88,072.68, 132,107.28 and 21,510.84

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Solution

The fourth proportional to 88,072.68, 132,107.28 and 21,510.84 is: 32,265.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,072.68 : 132,107.28 = 21,510.84 : x
  2. Step 2: Convert to fraction form
    88,072.68/132,107.28 = 21,510.84/x
  3. Step 3: Cross multiply
    88,072.68x = 132,107.28 × 21,510.84
  4. Step 4: Simplify right side
    88,072.68x = 2,841,738,562.92
  5. Step 5: Solve for x
    x = 2,841,738,562.92/88,072.68
  6. Step 6: Final answer
    x = 32,265.84

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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.