Home / 109,334.70-164,001.38-28,281.72

Finding the Fourth Proportional to 109,334.70, 164,001.38 and 28,281.72

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Solution

The fourth proportional to 109,334.70, 164,001.38 and 28,281.72 is: 42,422.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,334.70 : 164,001.38 = 28,281.72 : x
  2. Step 2: Convert to fraction form
    109,334.70/164,001.38 = 28,281.72/x
  3. Step 3: Cross multiply
    109,334.70x = 164,001.38 × 28,281.72
  4. Step 4: Simplify right side
    109,334.70x = 4,638,241,179.48
  5. Step 5: Solve for x
    x = 4,638,241,179.48/109,334.70
  6. Step 6: Final answer
    x = 42,422.41

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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.