Home / 134,999.40-202,401.90-75,853.20

Finding the Fourth Proportional to 134,999.40, 202,401.90 and 75,853.20

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Solution

The fourth proportional to 134,999.40, 202,401.90 and 75,853.20 is: 113,725.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,999.40 : 202,401.90 = 75,853.20 : x
  2. Step 2: Convert to fraction form
    134,999.40/202,401.90 = 75,853.20/x
  3. Step 3: Cross multiply
    134,999.40x = 202,401.90 × 75,853.20
  4. Step 4: Simplify right side
    134,999.40x = 15,352,831,801.08
  5. Step 5: Solve for x
    x = 15,352,831,801.08/134,999.40
  6. Step 6: Final answer
    x = 113,725.19

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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.