Home / 223,943.84-335,972.66-66,172.29

Finding the Fourth Proportional to 223,943.84, 335,972.66 and 66,172.29

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Solution

The fourth proportional to 223,943.84, 335,972.66 and 66,172.29 is: 99,275.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,943.84 : 335,972.66 = 66,172.29 : x
  2. Step 2: Convert to fraction form
    223,943.84/335,972.66 = 66,172.29/x
  3. Step 3: Cross multiply
    223,943.84x = 335,972.66 × 66,172.29
  4. Step 4: Simplify right side
    223,943.84x = 22,232,080,960.90
  5. Step 5: Solve for x
    x = 22,232,080,960.90/223,943.84
  6. Step 6: Final answer
    x = 99,275.25

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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.