Home / 115,726.07-173,587.85-87,817.52

Finding the Fourth Proportional to 115,726.07, 173,587.85 and 87,817.52

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Solution

The fourth proportional to 115,726.07, 173,587.85 and 87,817.52 is: 131,725.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,726.07 : 173,587.85 = 87,817.52 : x
  2. Step 2: Convert to fraction form
    115,726.07/173,587.85 = 87,817.52/x
  3. Step 3: Cross multiply
    115,726.07x = 173,587.85 × 87,817.52
  4. Step 4: Simplify right side
    115,726.07x = 15,244,054,050.04
  5. Step 5: Solve for x
    x = 15,244,054,050.04/115,726.07
  6. Step 6: Final answer
    x = 131,725.32

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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.