Home / 197,718.72-272,856.24-112,834.08

Finding the Fourth Proportional to 197,718.72, 272,856.24 and 112,834.08

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Solution

The fourth proportional to 197,718.72, 272,856.24 and 112,834.08 is: 155,713.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,718.72 : 272,856.24 = 112,834.08 : x
  2. Step 2: Convert to fraction form
    197,718.72/272,856.24 = 112,834.08/x
  3. Step 3: Cross multiply
    197,718.72x = 272,856.24 × 112,834.08
  4. Step 4: Simplify right side
    197,718.72x = 30,787,482,812.66
  5. Step 5: Solve for x
    x = 30,787,482,812.66/197,718.72
  6. Step 6: Final answer
    x = 155,713.55

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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.