Home / 129,851.10-194,756.40-41,126.40

Finding the Fourth Proportional to 129,851.10, 194,756.40 and 41,126.40

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Solution

The fourth proportional to 129,851.10, 194,756.40 and 41,126.40 is: 61,683.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,851.10 : 194,756.40 = 41,126.40 : x
  2. Step 2: Convert to fraction form
    129,851.10/194,756.40 = 41,126.40/x
  3. Step 3: Cross multiply
    129,851.10x = 194,756.40 × 41,126.40
  4. Step 4: Simplify right side
    129,851.10x = 8,009,629,608.96
  5. Step 5: Solve for x
    x = 8,009,629,608.96/129,851.10
  6. Step 6: Final answer
    x = 61,683.19

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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.