Home / 197,272.66-272,170.95-111,220.87

Finding the Fourth Proportional to 197,272.66, 272,170.95 and 111,220.87

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Solution

The fourth proportional to 197,272.66, 272,170.95 and 111,220.87 is: 153,447.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,272.66 : 272,170.95 = 111,220.87 : x
  2. Step 2: Convert to fraction form
    197,272.66/272,170.95 = 111,220.87/x
  3. Step 3: Cross multiply
    197,272.66x = 272,170.95 × 111,220.87
  4. Step 4: Simplify right side
    197,272.66x = 30,271,088,486.87
  5. Step 5: Solve for x
    x = 30,271,088,486.87/197,272.66
  6. Step 6: Final answer
    x = 153,447.97

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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.