Home / 109,975.78-164,930.76-57,356.56

Finding the Fourth Proportional to 109,975.78, 164,930.76 and 57,356.56

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Solution

The fourth proportional to 109,975.78, 164,930.76 and 57,356.56 is: 86,017.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,975.78 : 164,930.76 = 57,356.56 : x
  2. Step 2: Convert to fraction form
    109,975.78/164,930.76 = 57,356.56/x
  3. Step 3: Cross multiply
    109,975.78x = 164,930.76 × 57,356.56
  4. Step 4: Simplify right side
    109,975.78x = 9,459,861,031.79
  5. Step 5: Solve for x
    x = 9,459,861,031.79/109,975.78
  6. Step 6: Final answer
    x = 86,017.68

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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.