Home / 135,938.25-203,950.71-57,031.29

Finding the Fourth Proportional to 135,938.25, 203,950.71 and 57,031.29

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Solution

The fourth proportional to 135,938.25, 203,950.71 and 57,031.29 is: 85,565.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,938.25 : 203,950.71 = 57,031.29 : x
  2. Step 2: Convert to fraction form
    135,938.25/203,950.71 = 57,031.29/x
  3. Step 3: Cross multiply
    135,938.25x = 203,950.71 × 57,031.29
  4. Step 4: Simplify right side
    135,938.25x = 11,631,572,087.72
  5. Step 5: Solve for x
    x = 11,631,572,087.72/135,938.25
  6. Step 6: Final answer
    x = 85,565.12

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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.