Home / 177,927.74-266,740.87-78,012.21

Finding the Fourth Proportional to 177,927.74, 266,740.87 and 78,012.21

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Solution

The fourth proportional to 177,927.74, 266,740.87 and 78,012.21 is: 116,952.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,927.74 : 266,740.87 = 78,012.21 : x
  2. Step 2: Convert to fraction form
    177,927.74/266,740.87 = 78,012.21/x
  3. Step 3: Cross multiply
    177,927.74x = 266,740.87 × 78,012.21
  4. Step 4: Simplify right side
    177,927.74x = 20,809,044,766.02
  5. Step 5: Solve for x
    x = 20,809,044,766.02/177,927.74
  6. Step 6: Final answer
    x = 116,952.22

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1.5x scale

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.