Home / 202,575.36-279,529.92-122,001.60

Finding the Fourth Proportional to 202,575.36, 279,529.92 and 122,001.60

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Solution

The fourth proportional to 202,575.36, 279,529.92 and 122,001.60 is: 168,347.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,575.36 : 279,529.92 = 122,001.60 : x
  2. Step 2: Convert to fraction form
    202,575.36/279,529.92 = 122,001.60/x
  3. Step 3: Cross multiply
    202,575.36x = 279,529.92 × 122,001.60
  4. Step 4: Simplify right side
    202,575.36x = 34,103,097,487.87
  5. Step 5: Solve for x
    x = 34,103,097,487.87/202,575.36
  6. Step 6: Final answer
    x = 168,347.71

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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.