Home / 177,510.26-266,109.87-66,780.02

Finding the Fourth Proportional to 177,510.26, 266,109.87 and 66,780.02

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Solution

The fourth proportional to 177,510.26, 266,109.87 and 66,780.02 is: 100,111.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,510.26 : 266,109.87 = 66,780.02 : x
  2. Step 2: Convert to fraction form
    177,510.26/266,109.87 = 66,780.02/x
  3. Step 3: Cross multiply
    177,510.26x = 266,109.87 × 66,780.02
  4. Step 4: Simplify right side
    177,510.26x = 17,770,822,440.80
  5. Step 5: Solve for x
    x = 17,770,822,440.80/177,510.26
  6. Step 6: Final answer
    x = 100,111.52

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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.