Home / 197,307.82-272,220.51-120,747.03

Finding the Fourth Proportional to 197,307.82, 272,220.51 and 120,747.03

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Solution

The fourth proportional to 197,307.82, 272,220.51 and 120,747.03 is: 166,591.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,307.82 : 272,220.51 = 120,747.03 : x
  2. Step 2: Convert to fraction form
    197,307.82/272,220.51 = 120,747.03/x
  3. Step 3: Cross multiply
    197,307.82x = 272,220.51 × 120,747.03
  4. Step 4: Simplify right side
    197,307.82x = 32,869,818,087.59
  5. Step 5: Solve for x
    x = 32,869,818,087.59/197,307.82
  6. Step 6: Final answer
    x = 166,591.56

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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.