Home / 168,478.23-252,716.33-42,117.87

Finding the Fourth Proportional to 168,478.23, 252,716.33 and 42,117.87

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Solution

The fourth proportional to 168,478.23, 252,716.33 and 42,117.87 is: 63,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,478.23 : 252,716.33 = 42,117.87 : x
  2. Step 2: Convert to fraction form
    168,478.23/252,716.33 = 42,117.87/x
  3. Step 3: Cross multiply
    168,478.23x = 252,716.33 × 42,117.87
  4. Step 4: Simplify right side
    168,478.23x = 10,643,873,323.23
  5. Step 5: Solve for x
    x = 10,643,873,323.23/168,478.23
  6. Step 6: Final answer
    x = 63,176.55

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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.