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Finding the Fourth Proportional to 168,029.40, 252,335.70 and 89,297.40

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Solution

The fourth proportional to 168,029.40, 252,335.70 and 89,297.40 is: 134,101.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,029.40 : 252,335.70 = 89,297.40 : x
  2. Step 2: Convert to fraction form
    168,029.40/252,335.70 = 89,297.40/x
  3. Step 3: Cross multiply
    168,029.40x = 252,335.70 × 89,297.40
  4. Step 4: Simplify right side
    168,029.40x = 22,532,921,937.18
  5. Step 5: Solve for x
    x = 22,532,921,937.18/168,029.40
  6. Step 6: Final answer
    x = 134,101.07

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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.