Home / 143,569.55-213,881.01-137,092.62

Finding the Fourth Proportional to 143,569.55, 213,881.01 and 137,092.62

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Solution

The fourth proportional to 143,569.55, 213,881.01 and 137,092.62 is: 204,232.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,569.55 : 213,881.01 = 137,092.62 : x
  2. Step 2: Convert to fraction form
    143,569.55/213,881.01 = 137,092.62/x
  3. Step 3: Cross multiply
    143,569.55x = 213,881.01 × 137,092.62
  4. Step 4: Simplify right side
    143,569.55x = 29,321,508,029.15
  5. Step 5: Solve for x
    x = 29,321,508,029.15/143,569.55
  6. Step 6: Final answer
    x = 204,232.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.