Home / 117,882.72-176,824.08-38,975.76

Finding the Fourth Proportional to 117,882.72, 176,824.08 and 38,975.76

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Solution

The fourth proportional to 117,882.72, 176,824.08 and 38,975.76 is: 58,463.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,882.72 : 176,824.08 = 38,975.76 : x
  2. Step 2: Convert to fraction form
    117,882.72/176,824.08 = 38,975.76/x
  3. Step 3: Cross multiply
    117,882.72x = 176,824.08 × 38,975.76
  4. Step 4: Simplify right side
    117,882.72x = 6,891,852,904.30
  5. Step 5: Solve for x
    x = 6,891,852,904.30/117,882.72
  6. Step 6: Final answer
    x = 58,463.64

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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.