Home / 109,984.56-164,602.84-67,891.20

Finding the Fourth Proportional to 109,984.56, 164,602.84 and 67,891.20

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Solution

The fourth proportional to 109,984.56, 164,602.84 and 67,891.20 is: 101,605.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,984.56 : 164,602.84 = 67,891.20 : x
  2. Step 2: Convert to fraction form
    109,984.56/164,602.84 = 67,891.20/x
  3. Step 3: Cross multiply
    109,984.56x = 164,602.84 × 67,891.20
  4. Step 4: Simplify right side
    109,984.56x = 11,175,084,331.01
  5. Step 5: Solve for x
    x = 11,175,084,331.01/109,984.56
  6. Step 6: Final answer
    x = 101,605.94

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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.