Home / 131,248.40-196,872.60-105,004.40

Finding the Fourth Proportional to 131,248.40, 196,872.60 and 105,004.40

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Solution

The fourth proportional to 131,248.40, 196,872.60 and 105,004.40 is: 157,506.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,248.40 : 196,872.60 = 105,004.40 : x
  2. Step 2: Convert to fraction form
    131,248.40/196,872.60 = 105,004.40/x
  3. Step 3: Cross multiply
    131,248.40x = 196,872.60 × 105,004.40
  4. Step 4: Simplify right side
    131,248.40x = 20,672,489,239.44
  5. Step 5: Solve for x
    x = 20,672,489,239.44/131,248.40
  6. Step 6: Final answer
    x = 157,506.60

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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.