Home / 154,868.28-232,367.76-84,665.58

Finding the Fourth Proportional to 154,868.28, 232,367.76 and 84,665.58

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Solution

The fourth proportional to 154,868.28, 232,367.76 and 84,665.58 is: 127,034.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,868.28 : 232,367.76 = 84,665.58 : x
  2. Step 2: Convert to fraction form
    154,868.28/232,367.76 = 84,665.58/x
  3. Step 3: Cross multiply
    154,868.28x = 232,367.76 × 84,665.58
  4. Step 4: Simplify right side
    154,868.28x = 19,673,551,173.70
  5. Step 5: Solve for x
    x = 19,673,551,173.70/154,868.28
  6. Step 6: Final answer
    x = 127,034.09

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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.