Home / 165,666.28-248,125.56-76,732.96

Finding the Fourth Proportional to 165,666.28, 248,125.56 and 76,732.96

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Solution

The fourth proportional to 165,666.28, 248,125.56 and 76,732.96 is: 114,926.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,666.28 : 248,125.56 = 76,732.96 : x
  2. Step 2: Convert to fraction form
    165,666.28/248,125.56 = 76,732.96/x
  3. Step 3: Cross multiply
    165,666.28x = 248,125.56 × 76,732.96
  4. Step 4: Simplify right side
    165,666.28x = 19,039,408,670.46
  5. Step 5: Solve for x
    x = 19,039,408,670.46/165,666.28
  6. Step 6: Final answer
    x = 114,926.28

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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.