Home / 126,362.61-189,537.93-31,593.42

Finding the Fourth Proportional to 126,362.61, 189,537.93 and 31,593.42

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Solution

The fourth proportional to 126,362.61, 189,537.93 and 31,593.42 is: 47,388.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,362.61 : 189,537.93 = 31,593.42 : x
  2. Step 2: Convert to fraction form
    126,362.61/189,537.93 = 31,593.42/x
  3. Step 3: Cross multiply
    126,362.61x = 189,537.93 × 31,593.42
  4. Step 4: Simplify right side
    126,362.61x = 5,988,151,428.42
  5. Step 5: Solve for x
    x = 5,988,151,428.42/126,362.61
  6. Step 6: Final answer
    x = 47,388.63

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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.