Home / 199,470.24-298,955.76-99,658.40

Finding the Fourth Proportional to 199,470.24, 298,955.76 and 99,658.40

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Solution

The fourth proportional to 199,470.24, 298,955.76 and 99,658.40 is: 149,362.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,470.24 : 298,955.76 = 99,658.40 : x
  2. Step 2: Convert to fraction form
    199,470.24/298,955.76 = 99,658.40/x
  3. Step 3: Cross multiply
    199,470.24x = 298,955.76 × 99,658.40
  4. Step 4: Simplify right side
    199,470.24x = 29,793,452,712.38
  5. Step 5: Solve for x
    x = 29,793,452,712.38/199,470.24
  6. Step 6: Final answer
    x = 149,362.90

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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.