Home / 197,790.39-272,999.57-112,956.66

Finding the Fourth Proportional to 197,790.39, 272,999.57 and 112,956.66

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Solution

The fourth proportional to 197,790.39, 272,999.57 and 112,956.66 is: 155,908.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,790.39 : 272,999.57 = 112,956.66 : x
  2. Step 2: Convert to fraction form
    197,790.39/272,999.57 = 112,956.66/x
  3. Step 3: Cross multiply
    197,790.39x = 272,999.57 × 112,956.66
  4. Step 4: Simplify right side
    197,790.39x = 30,837,119,043.85
  5. Step 5: Solve for x
    x = 30,837,119,043.85/197,790.39
  6. Step 6: Final answer
    x = 155,908.08

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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.