Home / 149,127.06-223,693.02-78,861.18

Finding the Fourth Proportional to 149,127.06, 223,693.02 and 78,861.18

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Solution

The fourth proportional to 149,127.06, 223,693.02 and 78,861.18 is: 118,293.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,127.06 : 223,693.02 = 78,861.18 : x
  2. Step 2: Convert to fraction form
    149,127.06/223,693.02 = 78,861.18/x
  3. Step 3: Cross multiply
    149,127.06x = 223,693.02 × 78,861.18
  4. Step 4: Simplify right side
    149,127.06x = 17,640,695,514.96
  5. Step 5: Solve for x
    x = 17,640,695,514.96/149,127.06
  6. Step 6: Final answer
    x = 118,293.06

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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.