Home / 146,531.60-202,224.47-82,007.31

Finding the Fourth Proportional to 146,531.60, 202,224.47 and 82,007.31

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Solution

The fourth proportional to 146,531.60, 202,224.47 and 82,007.31 is: 113,176.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,531.60 : 202,224.47 = 82,007.31 : x
  2. Step 2: Convert to fraction form
    146,531.60/202,224.47 = 82,007.31/x
  3. Step 3: Cross multiply
    146,531.60x = 202,224.47 × 82,007.31
  4. Step 4: Simplify right side
    146,531.60x = 16,583,883,994.77
  5. Step 5: Solve for x
    x = 16,583,883,994.77/146,531.60
  6. Step 6: Final answer
    x = 113,176.16

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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.