Home / 132,623.48-198,995.40-121,411.40

Finding the Fourth Proportional to 132,623.48, 198,995.40 and 121,411.40

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Solution

The fourth proportional to 132,623.48, 198,995.40 and 121,411.40 is: 182,172.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,623.48 : 198,995.40 = 121,411.40 : x
  2. Step 2: Convert to fraction form
    132,623.48/198,995.40 = 121,411.40/x
  3. Step 3: Cross multiply
    132,623.48x = 198,995.40 × 121,411.40
  4. Step 4: Simplify right side
    132,623.48x = 24,160,310,107.56
  5. Step 5: Solve for x
    x = 24,160,310,107.56/132,623.48
  6. Step 6: Final answer
    x = 182,172.19

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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.