Home / 88,376.02-132,564.03-72,760.84

Finding the Fourth Proportional to 88,376.02, 132,564.03 and 72,760.84

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Solution

The fourth proportional to 88,376.02, 132,564.03 and 72,760.84 is: 109,141.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,376.02 : 132,564.03 = 72,760.84 : x
  2. Step 2: Convert to fraction form
    88,376.02/132,564.03 = 72,760.84/x
  3. Step 3: Cross multiply
    88,376.02x = 132,564.03 × 72,760.84
  4. Step 4: Simplify right side
    88,376.02x = 9,645,470,176.59
  5. Step 5: Solve for x
    x = 9,645,470,176.59/88,376.02
  6. Step 6: Final answer
    x = 109,141.26

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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.