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Finding the Fourth Proportional to 147,393.50, 203,404.47 and 80,326.94

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Solution

The fourth proportional to 147,393.50, 203,404.47 and 80,326.94 is: 110,851.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,393.50 : 203,404.47 = 80,326.94 : x
  2. Step 2: Convert to fraction form
    147,393.50/203,404.47 = 80,326.94/x
  3. Step 3: Cross multiply
    147,393.50x = 203,404.47 × 80,326.94
  4. Step 4: Simplify right side
    147,393.50x = 16,338,858,657.42
  5. Step 5: Solve for x
    x = 16,338,858,657.42/147,393.50
  6. Step 6: Final answer
    x = 110,851.96

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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.