Home / 102,189.16-153,358.26-52,310.98

Finding the Fourth Proportional to 102,189.16, 153,358.26 and 52,310.98

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Solution

The fourth proportional to 102,189.16, 153,358.26 and 52,310.98 is: 78,504.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,189.16 : 153,358.26 = 52,310.98 : x
  2. Step 2: Convert to fraction form
    102,189.16/153,358.26 = 52,310.98/x
  3. Step 3: Cross multiply
    102,189.16x = 153,358.26 × 52,310.98
  4. Step 4: Simplify right side
    102,189.16x = 8,022,320,871.69
  5. Step 5: Solve for x
    x = 8,022,320,871.69/102,189.16
  6. Step 6: Final answer
    x = 78,504.62

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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.