Home / 131,170.20-196,463.70-101,491.80

Finding the Fourth Proportional to 131,170.20, 196,463.70 and 101,491.80

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Solution

The fourth proportional to 131,170.20, 196,463.70 and 101,491.80 is: 152,012.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,170.20 : 196,463.70 = 101,491.80 : x
  2. Step 2: Convert to fraction form
    131,170.20/196,463.70 = 101,491.80/x
  3. Step 3: Cross multiply
    131,170.20x = 196,463.70 × 101,491.80
  4. Step 4: Simplify right side
    131,170.20x = 19,939,454,547.66
  5. Step 5: Solve for x
    x = 19,939,454,547.66/131,170.20
  6. Step 6: Final answer
    x = 152,012.08

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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.