Home / 113,047.23-169,452.33-38,141.57

Finding the Fourth Proportional to 113,047.23, 169,452.33 and 38,141.57

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Solution

The fourth proportional to 113,047.23, 169,452.33 and 38,141.57 is: 57,172.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,047.23 : 169,452.33 = 38,141.57 : x
  2. Step 2: Convert to fraction form
    113,047.23/169,452.33 = 38,141.57/x
  3. Step 3: Cross multiply
    113,047.23x = 169,452.33 × 38,141.57
  4. Step 4: Simplify right side
    113,047.23x = 6,463,177,059.10
  5. Step 5: Solve for x
    x = 6,463,177,059.10/113,047.23
  6. Step 6: Final answer
    x = 57,172.36

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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.