Home / 109,647.47-164,453.19-38,553.40

Finding the Fourth Proportional to 109,647.47, 164,453.19 and 38,553.40

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Solution

The fourth proportional to 109,647.47, 164,453.19 and 38,553.40 is: 57,823.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,647.47 : 164,453.19 = 38,553.40 : x
  2. Step 2: Convert to fraction form
    109,647.47/164,453.19 = 38,553.40/x
  3. Step 3: Cross multiply
    109,647.47x = 164,453.19 × 38,553.40
  4. Step 4: Simplify right side
    109,647.47x = 6,340,229,615.35
  5. Step 5: Solve for x
    x = 6,340,229,615.35/109,647.47
  6. Step 6: Final answer
    x = 57,823.77

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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.