Home / 197,685.48-272,735.38-121,176.93

Finding the Fourth Proportional to 197,685.48, 272,735.38 and 121,176.93

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Solution

The fourth proportional to 197,685.48, 272,735.38 and 121,176.93 is: 167,180.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,685.48 : 272,735.38 = 121,176.93 : x
  2. Step 2: Convert to fraction form
    197,685.48/272,735.38 = 121,176.93/x
  3. Step 3: Cross multiply
    197,685.48x = 272,735.38 × 121,176.93
  4. Step 4: Simplify right side
    197,685.48x = 33,049,236,050.78
  5. Step 5: Solve for x
    x = 33,049,236,050.78/197,685.48
  6. Step 6: Final answer
    x = 167,180.90

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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.