Home / 168,816.68-253,253.18-75,318.92

Finding the Fourth Proportional to 168,816.68, 253,253.18 and 75,318.92

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Solution

The fourth proportional to 168,816.68, 253,253.18 and 75,318.92 is: 112,990.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,816.68 : 253,253.18 = 75,318.92 : x
  2. Step 2: Convert to fraction form
    168,816.68/253,253.18 = 75,318.92/x
  3. Step 3: Cross multiply
    168,816.68x = 253,253.18 × 75,318.92
  4. Step 4: Simplify right side
    168,816.68x = 19,074,756,004.17
  5. Step 5: Solve for x
    x = 19,074,756,004.17/168,816.68
  6. Step 6: Final answer
    x = 112,990.94

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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.