Home / 131,323.06-197,046.12-64,726.87

Finding the Fourth Proportional to 131,323.06, 197,046.12 and 64,726.87

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Solution

The fourth proportional to 131,323.06, 197,046.12 and 64,726.87 is: 97,120.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,323.06 : 197,046.12 = 64,726.87 : x
  2. Step 2: Convert to fraction form
    131,323.06/197,046.12 = 64,726.87/x
  3. Step 3: Cross multiply
    131,323.06x = 197,046.12 × 64,726.87
  4. Step 4: Simplify right side
    131,323.06x = 12,754,178,593.24
  5. Step 5: Solve for x
    x = 12,754,178,593.24/131,323.06
  6. Step 6: Final answer
    x = 97,120.63

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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.