Home / 121,173.40-181,751.46-38,091.16

Finding the Fourth Proportional to 121,173.40, 181,751.46 and 38,091.16

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Solution

The fourth proportional to 121,173.40, 181,751.46 and 38,091.16 is: 57,134.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,173.40 : 181,751.46 = 38,091.16 : x
  2. Step 2: Convert to fraction form
    121,173.40/181,751.46 = 38,091.16/x
  3. Step 3: Cross multiply
    121,173.40x = 181,751.46 × 38,091.16
  4. Step 4: Simplify right side
    121,173.40x = 6,923,123,943.09
  5. Step 5: Solve for x
    x = 6,923,123,943.09/121,173.40
  6. Step 6: Final answer
    x = 57,134.02

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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.