Home / 177,878.13-266,815.74-72,623.29

Finding the Fourth Proportional to 177,878.13, 266,815.74 and 72,623.29

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Solution

The fourth proportional to 177,878.13, 266,815.74 and 72,623.29 is: 108,934.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,878.13 : 266,815.74 = 72,623.29 : x
  2. Step 2: Convert to fraction form
    177,878.13/266,815.74 = 72,623.29/x
  3. Step 3: Cross multiply
    177,878.13x = 266,815.74 × 72,623.29
  4. Step 4: Simplify right side
    177,878.13x = 19,377,035,528.51
  5. Step 5: Solve for x
    x = 19,377,035,528.51/177,878.13
  6. Step 6: Final answer
    x = 108,934.33

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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.