Home / 133,264.25-183,904.22-72,834.88

Finding the Fourth Proportional to 133,264.25, 183,904.22 and 72,834.88

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Solution

The fourth proportional to 133,264.25, 183,904.22 and 72,834.88 is: 100,511.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,264.25 : 183,904.22 = 72,834.88 : x
  2. Step 2: Convert to fraction form
    133,264.25/183,904.22 = 72,834.88/x
  3. Step 3: Cross multiply
    133,264.25x = 183,904.22 × 72,834.88
  4. Step 4: Simplify right side
    133,264.25x = 13,394,641,862.34
  5. Step 5: Solve for x
    x = 13,394,641,862.34/133,264.25
  6. Step 6: Final answer
    x = 100,511.89

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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.