Home / 132,823.20-183,214.12-81,116.04

Finding the Fourth Proportional to 132,823.20, 183,214.12 and 81,116.04

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Solution

The fourth proportional to 132,823.20, 183,214.12 and 81,116.04 is: 111,890.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,823.20 : 183,214.12 = 81,116.04 : x
  2. Step 2: Convert to fraction form
    132,823.20/183,214.12 = 81,116.04/x
  3. Step 3: Cross multiply
    132,823.20x = 183,214.12 × 81,116.04
  4. Step 4: Simplify right side
    132,823.20x = 14,861,603,886.48
  5. Step 5: Solve for x
    x = 14,861,603,886.48/132,823.20
  6. Step 6: Final answer
    x = 111,890.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.