Home / 115,604.36-173,410.10-31,364.19

Finding the Fourth Proportional to 115,604.36, 173,410.10 and 31,364.19

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Solution

The fourth proportional to 115,604.36, 173,410.10 and 31,364.19 is: 47,047.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,604.36 : 173,410.10 = 31,364.19 : x
  2. Step 2: Convert to fraction form
    115,604.36/173,410.10 = 31,364.19/x
  3. Step 3: Cross multiply
    115,604.36x = 173,410.10 × 31,364.19
  4. Step 4: Simplify right side
    115,604.36x = 5,438,867,324.32
  5. Step 5: Solve for x
    x = 5,438,867,324.32/115,604.36
  6. Step 6: Final answer
    x = 47,047.25

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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.