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Finding the Fourth Proportional to 110,545.60, 165,465.60 and 87,217.60

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Solution

The fourth proportional to 110,545.60, 165,465.60 and 87,217.60 is: 130,548.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,545.60 : 165,465.60 = 87,217.60 : x
  2. Step 2: Convert to fraction form
    110,545.60/165,465.60 = 87,217.60/x
  3. Step 3: Cross multiply
    110,545.60x = 165,465.60 × 87,217.60
  4. Step 4: Simplify right side
    110,545.60x = 14,431,512,514.56
  5. Step 5: Solve for x
    x = 14,431,512,514.56/110,545.60
  6. Step 6: Final answer
    x = 130,548.05

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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.