Home / 134,144.00-201,256.25-54,140.81

Finding the Fourth Proportional to 134,144.00, 201,256.25 and 54,140.81

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Solution

The fourth proportional to 134,144.00, 201,256.25 and 54,140.81 is: 81,227.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,144.00 : 201,256.25 = 54,140.81 : x
  2. Step 2: Convert to fraction form
    134,144.00/201,256.25 = 54,140.81/x
  3. Step 3: Cross multiply
    134,144.00x = 201,256.25 × 54,140.81
  4. Step 4: Simplify right side
    134,144.00x = 10,896,175,115.58
  5. Step 5: Solve for x
    x = 10,896,175,115.58/134,144.00
  6. Step 6: Final answer
    x = 81,227.45

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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.