Home / 146,435.40-219,947.94-142,301.16

Finding the Fourth Proportional to 146,435.40, 219,947.94 and 142,301.16

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Solution

The fourth proportional to 146,435.40, 219,947.94 and 142,301.16 is: 213,738.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,435.40 : 219,947.94 = 142,301.16 : x
  2. Step 2: Convert to fraction form
    146,435.40/219,947.94 = 142,301.16/x
  3. Step 3: Cross multiply
    146,435.40x = 219,947.94 × 142,301.16
  4. Step 4: Simplify right side
    146,435.40x = 31,298,847,001.61
  5. Step 5: Solve for x
    x = 31,298,847,001.61/146,435.40
  6. Step 6: Final answer
    x = 213,738.26

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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.