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Finding the Fourth Proportional to 115,404.40, 173,122.80 and 36,510.40

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Solution

The fourth proportional to 115,404.40, 173,122.80 and 36,510.40 is: 54,770.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,404.40 : 173,122.80 = 36,510.40 : x
  2. Step 2: Convert to fraction form
    115,404.40/173,122.80 = 36,510.40/x
  3. Step 3: Cross multiply
    115,404.40x = 173,122.80 × 36,510.40
  4. Step 4: Simplify right side
    115,404.40x = 6,320,782,677.12
  5. Step 5: Solve for x
    x = 6,320,782,677.12/115,404.40
  6. Step 6: Final answer
    x = 54,770.73

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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.