Home / 115,446.72-173,162.40-45,337.92

Finding the Fourth Proportional to 115,446.72, 173,162.40 and 45,337.92

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Solution

The fourth proportional to 115,446.72, 173,162.40 and 45,337.92 is: 68,003.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,446.72 : 173,162.40 = 45,337.92 : x
  2. Step 2: Convert to fraction form
    115,446.72/173,162.40 = 45,337.92/x
  3. Step 3: Cross multiply
    115,446.72x = 173,162.40 × 45,337.92
  4. Step 4: Simplify right side
    115,446.72x = 7,850,823,038.21
  5. Step 5: Solve for x
    x = 7,850,823,038.21/115,446.72
  6. Step 6: Final answer
    x = 68,003.86

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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.