Home / 75,214.36-112,820.66-18,288.60

Finding the Fourth Proportional to 75,214.36, 112,820.66 and 18,288.60

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Solution

The fourth proportional to 75,214.36, 112,820.66 and 18,288.60 is: 27,432.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,214.36 : 112,820.66 = 18,288.60 : x
  2. Step 2: Convert to fraction form
    75,214.36/112,820.66 = 18,288.60/x
  3. Step 3: Cross multiply
    75,214.36x = 112,820.66 × 18,288.60
  4. Step 4: Simplify right side
    75,214.36x = 2,063,331,922.48
  5. Step 5: Solve for x
    x = 2,063,331,922.48/75,214.36
  6. Step 6: Final answer
    x = 27,432.69

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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.