Home / 243,835.11-336,517.73-140,472.85

Finding the Fourth Proportional to 243,835.11, 336,517.73 and 140,472.85

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Solution

The fourth proportional to 243,835.11, 336,517.73 and 140,472.85 is: 193,867.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,835.11 : 336,517.73 = 140,472.85 : x
  2. Step 2: Convert to fraction form
    243,835.11/336,517.73 = 140,472.85/x
  3. Step 3: Cross multiply
    243,835.11x = 336,517.73 × 140,472.85
  4. Step 4: Simplify right side
    243,835.11x = 47,271,604,608.63
  5. Step 5: Solve for x
    x = 47,271,604,608.63/243,835.11
  6. Step 6: Final answer
    x = 193,867.10

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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.