Home / 177,727.40-266,742.30-72,621.80

Finding the Fourth Proportional to 177,727.40, 266,742.30 and 72,621.80

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Solution

The fourth proportional to 177,727.40, 266,742.30 and 72,621.80 is: 108,994.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,727.40 : 266,742.30 = 72,621.80 : x
  2. Step 2: Convert to fraction form
    177,727.40/266,742.30 = 72,621.80/x
  3. Step 3: Cross multiply
    177,727.40x = 266,742.30 × 72,621.80
  4. Step 4: Simplify right side
    177,727.40x = 19,371,305,962.14
  5. Step 5: Solve for x
    x = 19,371,305,962.14/177,727.40
  6. Step 6: Final answer
    x = 108,994.48

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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.