Home / 115,645.19-173,493.27-49,142.16

Finding the Fourth Proportional to 115,645.19, 173,493.27 and 49,142.16

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Solution

The fourth proportional to 115,645.19, 173,493.27 and 49,142.16 is: 73,724.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,645.19 : 173,493.27 = 49,142.16 : x
  2. Step 2: Convert to fraction form
    115,645.19/173,493.27 = 49,142.16/x
  3. Step 3: Cross multiply
    115,645.19x = 173,493.27 × 49,142.16
  4. Step 4: Simplify right side
    115,645.19x = 8,525,834,033.26
  5. Step 5: Solve for x
    x = 8,525,834,033.26/115,645.19
  6. Step 6: Final answer
    x = 73,724.07

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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.