Home / 131,365.13-197,029.17-42,619.41

Finding the Fourth Proportional to 131,365.13, 197,029.17 and 42,619.41

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Solution

The fourth proportional to 131,365.13, 197,029.17 and 42,619.41 is: 63,923.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,365.13 : 197,029.17 = 42,619.41 : x
  2. Step 2: Convert to fraction form
    131,365.13/197,029.17 = 42,619.41/x
  3. Step 3: Cross multiply
    131,365.13x = 197,029.17 × 42,619.41
  4. Step 4: Simplify right side
    131,365.13x = 8,397,266,978.19
  5. Step 5: Solve for x
    x = 8,397,266,978.19/131,365.13
  6. Step 6: Final answer
    x = 63,923.11

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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.