Home / 115,518.60-173,291.40-36,640.80

Finding the Fourth Proportional to 115,518.60, 173,291.40 and 36,640.80

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Solution

The fourth proportional to 115,518.60, 173,291.40 and 36,640.80 is: 54,965.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,518.60 : 173,291.40 = 36,640.80 : x
  2. Step 2: Convert to fraction form
    115,518.60/173,291.40 = 36,640.80/x
  3. Step 3: Cross multiply
    115,518.60x = 173,291.40 × 36,640.80
  4. Step 4: Simplify right side
    115,518.60x = 6,349,535,529.12
  5. Step 5: Solve for x
    x = 6,349,535,529.12/115,518.60
  6. Step 6: Final answer
    x = 54,965.48

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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.