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Finding the Fourth Proportional to 202,751, 279,785.08 and 112,101.52

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Solution

The fourth proportional to 202,751, 279,785.08 and 112,101.52 is: 154,693.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,751 : 279,785.08 = 112,101.52 : x
  2. Step 2: Convert to fraction form
    202,751/279,785.08 = 112,101.52/x
  3. Step 3: Cross multiply
    202,751x = 279,785.08 × 112,101.52
  4. Step 4: Simplify right side
    202,751x = 31,364,332,741.32
  5. Step 5: Solve for x
    x = 31,364,332,741.32/202,751
  6. Step 6: Final answer
    x = 154,693.85

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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.