Home / 154,947.49-213,827.52-86,964.46

Finding the Fourth Proportional to 154,947.49, 213,827.52 and 86,964.46

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Solution

The fourth proportional to 154,947.49, 213,827.52 and 86,964.46 is: 120,010.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,947.49 : 213,827.52 = 86,964.46 : x
  2. Step 2: Convert to fraction form
    154,947.49/213,827.52 = 86,964.46/x
  3. Step 3: Cross multiply
    154,947.49x = 213,827.52 × 86,964.46
  4. Step 4: Simplify right side
    154,947.49x = 18,595,394,275.37
  5. Step 5: Solve for x
    x = 18,595,394,275.37/154,947.49
  6. Step 6: Final answer
    x = 120,010.94

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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.