Home / 177,776.07-266,664.12-71,208.42

Finding the Fourth Proportional to 177,776.07, 266,664.12 and 71,208.42

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Solution

The fourth proportional to 177,776.07, 266,664.12 and 71,208.42 is: 106,812.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,776.07 : 266,664.12 = 71,208.42 : x
  2. Step 2: Convert to fraction form
    177,776.07/266,664.12 = 71,208.42/x
  3. Step 3: Cross multiply
    177,776.07x = 266,664.12 × 71,208.42
  4. Step 4: Simplify right side
    177,776.07x = 18,988,730,655.89
  5. Step 5: Solve for x
    x = 18,988,730,655.89/177,776.07
  6. Step 6: Final answer
    x = 106,812.64

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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.