Home / 147,254.88-203,211.60-80,187.36

Finding the Fourth Proportional to 147,254.88, 203,211.60 and 80,187.36

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Solution

The fourth proportional to 147,254.88, 203,211.60 and 80,187.36 is: 110,658.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,254.88 : 203,211.60 = 80,187.36 : x
  2. Step 2: Convert to fraction form
    147,254.88/203,211.60 = 80,187.36/x
  3. Step 3: Cross multiply
    147,254.88x = 203,211.60 × 80,187.36
  4. Step 4: Simplify right side
    147,254.88x = 16,295,001,725.38
  5. Step 5: Solve for x
    x = 16,295,001,725.38/147,254.88
  6. Step 6: Final answer
    x = 110,658.48

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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.