Home / 168,011.40-252,308.70-89,279.40

Finding the Fourth Proportional to 168,011.40, 252,308.70 and 89,279.40

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Solution

The fourth proportional to 168,011.40, 252,308.70 and 89,279.40 is: 134,074.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,011.40 : 252,308.70 = 89,279.40 : x
  2. Step 2: Convert to fraction form
    168,011.40/252,308.70 = 89,279.40/x
  3. Step 3: Cross multiply
    168,011.40x = 252,308.70 × 89,279.40
  4. Step 4: Simplify right side
    168,011.40x = 22,525,969,350.78
  5. Step 5: Solve for x
    x = 22,525,969,350.78/168,011.40
  6. Step 6: Final answer
    x = 134,074.05

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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.