Home / 131,506.65-197,278.20-47,246.40

Finding the Fourth Proportional to 131,506.65, 197,278.20 and 47,246.40

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Solution

The fourth proportional to 131,506.65, 197,278.20 and 47,246.40 is: 70,876.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,506.65 : 197,278.20 = 47,246.40 : x
  2. Step 2: Convert to fraction form
    131,506.65/197,278.20 = 47,246.40/x
  3. Step 3: Cross multiply
    131,506.65x = 197,278.20 × 47,246.40
  4. Step 4: Simplify right side
    131,506.65x = 9,320,684,748.48
  5. Step 5: Solve for x
    x = 9,320,684,748.48/131,506.65
  6. Step 6: Final answer
    x = 70,876.15

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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.