Home / 154,281.49-212,822.78-89,743.46

Finding the Fourth Proportional to 154,281.49, 212,822.78 and 89,743.46

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Solution

The fourth proportional to 154,281.49, 212,822.78 and 89,743.46 is: 123,796.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,281.49 : 212,822.78 = 89,743.46 : x
  2. Step 2: Convert to fraction form
    154,281.49/212,822.78 = 89,743.46/x
  3. Step 3: Cross multiply
    154,281.49x = 212,822.78 × 89,743.46
  4. Step 4: Simplify right side
    154,281.49x = 19,099,452,644.02
  5. Step 5: Solve for x
    x = 19,099,452,644.02/154,281.49
  6. Step 6: Final answer
    x = 123,796.14

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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.