Home / 146,081.22-219,154.65-46,247.40

Finding the Fourth Proportional to 146,081.22, 219,154.65 and 46,247.40

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Solution

The fourth proportional to 146,081.22, 219,154.65 and 46,247.40 is: 69,381.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,081.22 : 219,154.65 = 46,247.40 : x
  2. Step 2: Convert to fraction form
    146,081.22/219,154.65 = 46,247.40/x
  3. Step 3: Cross multiply
    146,081.22x = 219,154.65 × 46,247.40
  4. Step 4: Simplify right side
    146,081.22x = 10,135,332,760.41
  5. Step 5: Solve for x
    x = 10,135,332,760.41/146,081.22
  6. Step 6: Final answer
    x = 69,381.49

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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.