Home / 154,282.49-212,824.16-89,744.46

Finding the Fourth Proportional to 154,282.49, 212,824.16 and 89,744.46

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Solution

The fourth proportional to 154,282.49, 212,824.16 and 89,744.46 is: 123,797.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,282.49 : 212,824.16 = 89,744.46 : x
  2. Step 2: Convert to fraction form
    154,282.49/212,824.16 = 89,744.46/x
  3. Step 3: Cross multiply
    154,282.49x = 212,824.16 × 89,744.46
  4. Step 4: Simplify right side
    154,282.49x = 19,099,789,314.15
  5. Step 5: Solve for x
    x = 19,099,789,314.15/154,282.49
  6. Step 6: Final answer
    x = 123,797.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.