Home / 202,335.92-279,239.04-111,709.36

Finding the Fourth Proportional to 202,335.92, 279,239.04 and 111,709.36

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Solution

The fourth proportional to 202,335.92, 279,239.04 and 111,709.36 is: 154,167.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,335.92 : 279,239.04 = 111,709.36 : x
  2. Step 2: Convert to fraction form
    202,335.92/279,239.04 = 111,709.36/x
  3. Step 3: Cross multiply
    202,335.92x = 279,239.04 × 111,709.36
  4. Step 4: Simplify right side
    202,335.92x = 31,193,614,445.41
  5. Step 5: Solve for x
    x = 31,193,614,445.41/202,335.92
  6. Step 6: Final answer
    x = 154,167.46

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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.