Home / 109,219.70-163,515.27-97,822.82

Finding the Fourth Proportional to 109,219.70, 163,515.27 and 97,822.82

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Solution

The fourth proportional to 109,219.70, 163,515.27 and 97,822.82 is: 146,452.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,219.70 : 163,515.27 = 97,822.82 : x
  2. Step 2: Convert to fraction form
    109,219.70/163,515.27 = 97,822.82/x
  3. Step 3: Cross multiply
    109,219.70x = 163,515.27 × 97,822.82
  4. Step 4: Simplify right side
    109,219.70x = 15,995,524,824.46
  5. Step 5: Solve for x
    x = 15,995,524,824.46/109,219.70
  6. Step 6: Final answer
    x = 146,452.74

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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.