Home / 147,999.78-204,240.60-80,016.66

Finding the Fourth Proportional to 147,999.78, 204,240.60 and 80,016.66

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Solution

The fourth proportional to 147,999.78, 204,240.60 and 80,016.66 is: 110,423.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,999.78 : 204,240.60 = 80,016.66 : x
  2. Step 2: Convert to fraction form
    147,999.78/204,240.60 = 80,016.66/x
  3. Step 3: Cross multiply
    147,999.78x = 204,240.60 × 80,016.66
  4. Step 4: Simplify right side
    147,999.78x = 16,342,650,648.40
  5. Step 5: Solve for x
    x = 16,342,650,648.40/147,999.78
  6. Step 6: Final answer
    x = 110,423.48

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1.5x scale

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.