Home / 202,749.25-279,782.67-112,099.77

Finding the Fourth Proportional to 202,749.25, 279,782.67 and 112,099.77

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Solution

The fourth proportional to 202,749.25, 279,782.67 and 112,099.77 is: 154,691.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,749.25 : 279,782.67 = 112,099.77 : x
  2. Step 2: Convert to fraction form
    202,749.25/279,782.67 = 112,099.77/x
  3. Step 3: Cross multiply
    202,749.25x = 279,782.67 × 112,099.77
  4. Step 4: Simplify right side
    202,749.25x = 31,363,573,377.36
  5. Step 5: Solve for x
    x = 31,363,573,377.36/202,749.25
  6. Step 6: Final answer
    x = 154,691.44

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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.