Home / 107,904.32-161,856.48-45,575.36

Finding the Fourth Proportional to 107,904.32, 161,856.48 and 45,575.36

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Solution

The fourth proportional to 107,904.32, 161,856.48 and 45,575.36 is: 68,363.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,904.32 : 161,856.48 = 45,575.36 : x
  2. Step 2: Convert to fraction form
    107,904.32/161,856.48 = 45,575.36/x
  3. Step 3: Cross multiply
    107,904.32x = 161,856.48 × 45,575.36
  4. Step 4: Simplify right side
    107,904.32x = 7,376,667,344.33
  5. Step 5: Solve for x
    x = 7,376,667,344.33/107,904.32
  6. Step 6: Final answer
    x = 68,363.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.