Home / 117,521.28-176,303.79-38,638.62

Finding the Fourth Proportional to 117,521.28, 176,303.79 and 38,638.62

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Solution

The fourth proportional to 117,521.28, 176,303.79 and 38,638.62 is: 57,965.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,521.28 : 176,303.79 = 38,638.62 : x
  2. Step 2: Convert to fraction form
    117,521.28/176,303.79 = 38,638.62/x
  3. Step 3: Cross multiply
    117,521.28x = 176,303.79 × 38,638.62
  4. Step 4: Simplify right side
    117,521.28x = 6,812,135,146.37
  5. Step 5: Solve for x
    x = 6,812,135,146.37/117,521.28
  6. Step 6: Final answer
    x = 57,965.12

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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.