Home / 134,681.41-202,020.78-51,575.41

Finding the Fourth Proportional to 134,681.41, 202,020.78 and 51,575.41

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Solution

The fourth proportional to 134,681.41, 202,020.78 and 51,575.41 is: 77,362.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,681.41 : 202,020.78 = 51,575.41 : x
  2. Step 2: Convert to fraction form
    134,681.41/202,020.78 = 51,575.41/x
  3. Step 3: Cross multiply
    134,681.41x = 202,020.78 × 51,575.41
  4. Step 4: Simplify right side
    134,681.41x = 10,419,304,557.02
  5. Step 5: Solve for x
    x = 10,419,304,557.02/134,681.41
  6. Step 6: Final answer
    x = 77,362.60

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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.