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Finding the Fourth Proportional to 101,818.92, 152,667.02 and 45,648.86

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Solution

The fourth proportional to 101,818.92, 152,667.02 and 45,648.86 is: 68,445.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,818.92 : 152,667.02 = 45,648.86 : x
  2. Step 2: Convert to fraction form
    101,818.92/152,667.02 = 45,648.86/x
  3. Step 3: Cross multiply
    101,818.92x = 152,667.02 × 45,648.86
  4. Step 4: Simplify right side
    101,818.92x = 6,969,075,422.60
  5. Step 5: Solve for x
    x = 6,969,075,422.60/101,818.92
  6. Step 6: Final answer
    x = 68,445.78

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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.