Home / 198,423.18-273,746.82-112,362.39

Finding the Fourth Proportional to 198,423.18, 273,746.82 and 112,362.39

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Solution

The fourth proportional to 198,423.18, 273,746.82 and 112,362.39 is: 155,016.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,423.18 : 273,746.82 = 112,362.39 : x
  2. Step 2: Convert to fraction form
    198,423.18/273,746.82 = 112,362.39/x
  3. Step 3: Cross multiply
    198,423.18x = 273,746.82 × 112,362.39
  4. Step 4: Simplify right side
    198,423.18x = 30,758,846,950.10
  5. Step 5: Solve for x
    x = 30,758,846,950.10/198,423.18
  6. Step 6: Final answer
    x = 155,016.40

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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.