Home / 197,988.95-273,221.88-107,343.20

Finding the Fourth Proportional to 197,988.95, 273,221.88 and 107,343.20

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Solution

The fourth proportional to 197,988.95, 273,221.88 and 107,343.20 is: 148,132.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,988.95 : 273,221.88 = 107,343.20 : x
  2. Step 2: Convert to fraction form
    197,988.95/273,221.88 = 107,343.20/x
  3. Step 3: Cross multiply
    197,988.95x = 273,221.88 × 107,343.20
  4. Step 4: Simplify right side
    197,988.95x = 29,328,509,543.11
  5. Step 5: Solve for x
    x = 29,328,509,543.11/197,988.95
  6. Step 6: Final answer
    x = 148,132.06

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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.