Home / 168,416.28-252,453.48-143,837.16

Finding the Fourth Proportional to 168,416.28, 252,453.48 and 143,837.16

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Solution

The fourth proportional to 168,416.28, 252,453.48 and 143,837.16 is: 215,609.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,416.28 : 252,453.48 = 143,837.16 : x
  2. Step 2: Convert to fraction form
    168,416.28/252,453.48 = 143,837.16/x
  3. Step 3: Cross multiply
    168,416.28x = 252,453.48 × 143,837.16
  4. Step 4: Simplify right side
    168,416.28x = 36,312,191,595.32
  5. Step 5: Solve for x
    x = 36,312,191,595.32/168,416.28
  6. Step 6: Final answer
    x = 215,609.75

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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.