Home / 131,806.80-197,710.29-76,011.66

Finding the Fourth Proportional to 131,806.80, 197,710.29 and 76,011.66

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Solution

The fourth proportional to 131,806.80, 197,710.29 and 76,011.66 is: 114,017.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,806.80 : 197,710.29 = 76,011.66 : x
  2. Step 2: Convert to fraction form
    131,806.80/197,710.29 = 76,011.66/x
  3. Step 3: Cross multiply
    131,806.80x = 197,710.29 × 76,011.66
  4. Step 4: Simplify right side
    131,806.80x = 15,028,287,341.98
  5. Step 5: Solve for x
    x = 15,028,287,341.98/131,806.80
  6. Step 6: Final answer
    x = 114,017.54

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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.