Home / 198,429.59-273,818.68-112,363.85

Finding the Fourth Proportional to 198,429.59, 273,818.68 and 112,363.85

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Solution

The fourth proportional to 198,429.59, 273,818.68 and 112,363.85 is: 155,054.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,429.59 : 273,818.68 = 112,363.85 : x
  2. Step 2: Convert to fraction form
    198,429.59/273,818.68 = 112,363.85/x
  3. Step 3: Cross multiply
    198,429.59x = 273,818.68 × 112,363.85
  4. Step 4: Simplify right side
    198,429.59x = 30,767,319,155.81
  5. Step 5: Solve for x
    x = 30,767,319,155.81/198,429.59
  6. Step 6: Final answer
    x = 155,054.09

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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.