Home / 167,640.29-231,346.35-91,160.90

Finding the Fourth Proportional to 167,640.29, 231,346.35 and 91,160.90

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Solution

The fourth proportional to 167,640.29, 231,346.35 and 91,160.90 is: 125,803.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,640.29 : 231,346.35 = 91,160.90 : x
  2. Step 2: Convert to fraction form
    167,640.29/231,346.35 = 91,160.90/x
  3. Step 3: Cross multiply
    167,640.29x = 231,346.35 × 91,160.90
  4. Step 4: Simplify right side
    167,640.29x = 21,089,740,320.98
  5. Step 5: Solve for x
    x = 21,089,740,320.98/167,640.29
  6. Step 6: Final answer
    x = 125,803.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.