Home / 165,085.59-247,663.91-51,231.15

Finding the Fourth Proportional to 165,085.59, 247,663.91 and 51,231.15

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Solution

The fourth proportional to 165,085.59, 247,663.91 and 51,231.15 is: 76,857.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,085.59 : 247,663.91 = 51,231.15 : x
  2. Step 2: Convert to fraction form
    165,085.59/247,663.91 = 51,231.15/x
  3. Step 3: Cross multiply
    165,085.59x = 247,663.91 × 51,231.15
  4. Step 4: Simplify right side
    165,085.59x = 12,688,107,050.87
  5. Step 5: Solve for x
    x = 12,688,107,050.87/165,085.59
  6. Step 6: Final answer
    x = 76,857.75

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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.