Home / 198,292.68-273,678.85-112,256.57

Finding the Fourth Proportional to 198,292.68, 273,678.85 and 112,256.57

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Solution

The fourth proportional to 198,292.68, 273,678.85 and 112,256.57 is: 154,933.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,292.68 : 273,678.85 = 112,256.57 : x
  2. Step 2: Convert to fraction form
    198,292.68/273,678.85 = 112,256.57/x
  3. Step 3: Cross multiply
    198,292.68x = 273,678.85 × 112,256.57
  4. Step 4: Simplify right side
    198,292.68x = 30,722,249,807.06
  5. Step 5: Solve for x
    x = 30,722,249,807.06/198,292.68
  6. Step 6: Final answer
    x = 154,933.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.