Home / 177,886.71-266,828.49-72,631.80

Finding the Fourth Proportional to 177,886.71, 266,828.49 and 72,631.80

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Solution

The fourth proportional to 177,886.71, 266,828.49 and 72,631.80 is: 108,947.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,886.71 : 266,828.49 = 72,631.80 : x
  2. Step 2: Convert to fraction form
    177,886.71/266,828.49 = 72,631.80/x
  3. Step 3: Cross multiply
    177,886.71x = 266,828.49 × 72,631.80
  4. Step 4: Simplify right side
    177,886.71x = 19,380,233,519.98
  5. Step 5: Solve for x
    x = 19,380,233,519.98/177,886.71
  6. Step 6: Final answer
    x = 108,947.06

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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.