Home / 149,270.31-223,290.32-136,131.89

Finding the Fourth Proportional to 149,270.31, 223,290.32 and 136,131.89

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Solution

The fourth proportional to 149,270.31, 223,290.32 and 136,131.89 is: 203,636.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,270.31 : 223,290.32 = 136,131.89 : x
  2. Step 2: Convert to fraction form
    149,270.31/223,290.32 = 136,131.89/x
  3. Step 3: Cross multiply
    149,270.31x = 223,290.32 × 136,131.89
  4. Step 4: Simplify right side
    149,270.31x = 30,396,931,483.19
  5. Step 5: Solve for x
    x = 30,396,931,483.19/149,270.31
  6. Step 6: Final answer
    x = 203,636.82

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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.