Home / 153,246.78-229,867.85-68,947.41

Finding the Fourth Proportional to 153,246.78, 229,867.85 and 68,947.41

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Solution

The fourth proportional to 153,246.78, 229,867.85 and 68,947.41 is: 103,420.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,246.78 : 229,867.85 = 68,947.41 : x
  2. Step 2: Convert to fraction form
    153,246.78/229,867.85 = 68,947.41/x
  3. Step 3: Cross multiply
    153,246.78x = 229,867.85 × 68,947.41
  4. Step 4: Simplify right side
    153,246.78x = 15,848,792,555.03
  5. Step 5: Solve for x
    x = 15,848,792,555.03/153,246.78
  6. Step 6: Final answer
    x = 103,420.07

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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.