Home / 147,565.70-221,323.78-40,960.49

Finding the Fourth Proportional to 147,565.70, 221,323.78 and 40,960.49

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Solution

The fourth proportional to 147,565.70, 221,323.78 and 40,960.49 is: 61,433.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,565.70 : 221,323.78 = 40,960.49 : x
  2. Step 2: Convert to fraction form
    147,565.70/221,323.78 = 40,960.49/x
  3. Step 3: Cross multiply
    147,565.70x = 221,323.78 × 40,960.49
  4. Step 4: Simplify right side
    147,565.70x = 9,065,530,477.45
  5. Step 5: Solve for x
    x = 9,065,530,477.45/147,565.70
  6. Step 6: Final answer
    x = 61,433.86

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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.