Home / 177,859.08-266,789.07-72,678.06

Finding the Fourth Proportional to 177,859.08, 266,789.07 and 72,678.06

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Solution

The fourth proportional to 177,859.08, 266,789.07 and 72,678.06 is: 109,017.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,859.08 : 266,789.07 = 72,678.06 : x
  2. Step 2: Convert to fraction form
    177,859.08/266,789.07 = 72,678.06/x
  3. Step 3: Cross multiply
    177,859.08x = 266,789.07 × 72,678.06
  4. Step 4: Simplify right side
    177,859.08x = 19,389,712,036.80
  5. Step 5: Solve for x
    x = 19,389,712,036.80/177,859.08
  6. Step 6: Final answer
    x = 109,017.27

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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.