Home / 115,448.56-173,172.86-84,058.40

Finding the Fourth Proportional to 115,448.56, 173,172.86 and 84,058.40

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Solution

The fourth proportional to 115,448.56, 173,172.86 and 84,058.40 is: 126,087.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,448.56 : 173,172.86 = 84,058.40 : x
  2. Step 2: Convert to fraction form
    115,448.56/173,172.86 = 84,058.40/x
  3. Step 3: Cross multiply
    115,448.56x = 173,172.86 × 84,058.40
  4. Step 4: Simplify right side
    115,448.56x = 14,556,633,535.02
  5. Step 5: Solve for x
    x = 14,556,633,535.02/115,448.56
  6. Step 6: Final answer
    x = 126,087.61

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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.