Home / 202,667.24-279,642.30-127,181.72

Finding the Fourth Proportional to 202,667.24, 279,642.30 and 127,181.72

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Solution

The fourth proportional to 202,667.24, 279,642.30 and 127,181.72 is: 175,486.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,667.24 : 279,642.30 = 127,181.72 : x
  2. Step 2: Convert to fraction form
    202,667.24/279,642.30 = 127,181.72/x
  3. Step 3: Cross multiply
    202,667.24x = 279,642.30 × 127,181.72
  4. Step 4: Simplify right side
    202,667.24x = 35,565,388,698.76
  5. Step 5: Solve for x
    x = 35,565,388,698.76/202,667.24
  6. Step 6: Final answer
    x = 175,486.62

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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.