Home / 197,741.56-272,902.89-112,871.38

Finding the Fourth Proportional to 197,741.56, 272,902.89 and 112,871.38

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Solution

The fourth proportional to 197,741.56, 272,902.89 and 112,871.38 is: 155,773.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,741.56 : 272,902.89 = 112,871.38 : x
  2. Step 2: Convert to fraction form
    197,741.56/272,902.89 = 112,871.38/x
  3. Step 3: Cross multiply
    197,741.56x = 272,902.89 × 112,871.38
  4. Step 4: Simplify right side
    197,741.56x = 30,802,925,800.29
  5. Step 5: Solve for x
    x = 30,802,925,800.29/197,741.56
  6. Step 6: Final answer
    x = 155,773.66

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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.