Home / 165,470.51-248,164.76-47,142.87

Finding the Fourth Proportional to 165,470.51, 248,164.76 and 47,142.87

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Solution

The fourth proportional to 165,470.51, 248,164.76 and 47,142.87 is: 70,702.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,470.51 : 248,164.76 = 47,142.87 : x
  2. Step 2: Convert to fraction form
    165,470.51/248,164.76 = 47,142.87/x
  3. Step 3: Cross multiply
    165,470.51x = 248,164.76 × 47,142.87
  4. Step 4: Simplify right side
    165,470.51x = 11,699,198,783.55
  5. Step 5: Solve for x
    x = 11,699,198,783.55/165,470.51
  6. Step 6: Final answer
    x = 70,702.62

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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.