Home / 149,060.97-223,677.57-78,940.29

Finding the Fourth Proportional to 149,060.97, 223,677.57 and 78,940.29

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Solution

The fourth proportional to 149,060.97, 223,677.57 and 78,940.29 is: 118,456.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,060.97 : 223,677.57 = 78,940.29 : x
  2. Step 2: Convert to fraction form
    149,060.97/223,677.57 = 78,940.29/x
  3. Step 3: Cross multiply
    149,060.97x = 223,677.57 × 78,940.29
  4. Step 4: Simplify right side
    149,060.97x = 17,657,172,242.30
  5. Step 5: Solve for x
    x = 17,657,172,242.30/149,060.97
  6. Step 6: Final answer
    x = 118,456.04

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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.