Home / 109,421.54-164,132.34-34,549.26

Finding the Fourth Proportional to 109,421.54, 164,132.34 and 34,549.26

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Solution

The fourth proportional to 109,421.54, 164,132.34 and 34,549.26 is: 51,823.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,421.54 : 164,132.34 = 34,549.26 : x
  2. Step 2: Convert to fraction form
    109,421.54/164,132.34 = 34,549.26/x
  3. Step 3: Cross multiply
    109,421.54x = 164,132.34 × 34,549.26
  4. Step 4: Simplify right side
    109,421.54x = 5,670,650,889.07
  5. Step 5: Solve for x
    x = 5,670,650,889.07/109,421.54
  6. Step 6: Final answer
    x = 51,823.90

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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.