Home / 131,664.59-197,517.36-42,897.41

Finding the Fourth Proportional to 131,664.59, 197,517.36 and 42,897.41

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Solution

The fourth proportional to 131,664.59, 197,517.36 and 42,897.41 is: 64,352.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,664.59 : 197,517.36 = 42,897.41 : x
  2. Step 2: Convert to fraction form
    131,664.59/197,517.36 = 42,897.41/x
  3. Step 3: Cross multiply
    131,664.59x = 197,517.36 × 42,897.41
  4. Step 4: Simplify right side
    131,664.59x = 8,472,983,174.04
  5. Step 5: Solve for x
    x = 8,472,983,174.04/131,664.59
  6. Step 6: Final answer
    x = 64,352.79

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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.