Home / 134,405.78-201,608.67-40,911.53

Finding the Fourth Proportional to 134,405.78, 201,608.67 and 40,911.53

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Solution

The fourth proportional to 134,405.78, 201,608.67 and 40,911.53 is: 61,367.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,405.78 : 201,608.67 = 40,911.53 : x
  2. Step 2: Convert to fraction form
    134,405.78/201,608.67 = 40,911.53/x
  3. Step 3: Cross multiply
    134,405.78x = 201,608.67 × 40,911.53
  4. Step 4: Simplify right side
    134,405.78x = 8,248,119,150.97
  5. Step 5: Solve for x
    x = 8,248,119,150.97/134,405.78
  6. Step 6: Final answer
    x = 61,367.30

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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.