Home / 131,726.71-197,509.96-51,668.74

Finding the Fourth Proportional to 131,726.71, 197,509.96 and 51,668.74

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Solution

The fourth proportional to 131,726.71, 197,509.96 and 51,668.74 is: 77,471.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,726.71 : 197,509.96 = 51,668.74 : x
  2. Step 2: Convert to fraction form
    131,726.71/197,509.96 = 51,668.74/x
  3. Step 3: Cross multiply
    131,726.71x = 197,509.96 × 51,668.74
  4. Step 4: Simplify right side
    131,726.71x = 10,205,090,770.65
  5. Step 5: Solve for x
    x = 10,205,090,770.65/131,726.71
  6. Step 6: Final answer
    x = 77,471.69

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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.