Home / 202,879.46-279,885.62-122,261.17

Finding the Fourth Proportional to 202,879.46, 279,885.62 and 122,261.17

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Solution

The fourth proportional to 202,879.46, 279,885.62 and 122,261.17 is: 168,667.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,879.46 : 279,885.62 = 122,261.17 : x
  2. Step 2: Convert to fraction form
    202,879.46/279,885.62 = 122,261.17/x
  3. Step 3: Cross multiply
    202,879.46x = 279,885.62 × 122,261.17
  4. Step 4: Simplify right side
    202,879.46x = 34,219,141,967.95
  5. Step 5: Solve for x
    x = 34,219,141,967.95/202,879.46
  6. Step 6: Final answer
    x = 168,667.36

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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.