Home / 165,345.89-247,973.76-45,374.39

Finding the Fourth Proportional to 165,345.89, 247,973.76 and 45,374.39

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Solution

The fourth proportional to 165,345.89, 247,973.76 and 45,374.39 is: 68,049.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,345.89 : 247,973.76 = 45,374.39 : x
  2. Step 2: Convert to fraction form
    165,345.89/247,973.76 = 45,374.39/x
  3. Step 3: Cross multiply
    165,345.89x = 247,973.76 × 45,374.39
  4. Step 4: Simplify right side
    165,345.89x = 11,251,656,856.14
  5. Step 5: Solve for x
    x = 11,251,656,856.14/165,345.89
  6. Step 6: Final answer
    x = 68,049.21

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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.