Home / 135,278.10-202,917.15-61,406.10

Finding the Fourth Proportional to 135,278.10, 202,917.15 and 61,406.10

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Solution

The fourth proportional to 135,278.10, 202,917.15 and 61,406.10 is: 92,109.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,278.10 : 202,917.15 = 61,406.10 : x
  2. Step 2: Convert to fraction form
    135,278.10/202,917.15 = 61,406.10/x
  3. Step 3: Cross multiply
    135,278.10x = 202,917.15 × 61,406.10
  4. Step 4: Simplify right side
    135,278.10x = 12,460,350,804.62
  5. Step 5: Solve for x
    x = 12,460,350,804.62/135,278.10
  6. Step 6: Final answer
    x = 92,109.15

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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.