Home / 343,814.29-515,749.82-107,156.93

Finding the Fourth Proportional to 343,814.29, 515,749.82 and 107,156.93

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Solution

The fourth proportional to 343,814.29, 515,749.82 and 107,156.93 is: 160,744.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,814.29 : 515,749.82 = 107,156.93 : x
  2. Step 2: Convert to fraction form
    343,814.29/515,749.82 = 107,156.93/x
  3. Step 3: Cross multiply
    343,814.29x = 515,749.82 × 107,156.93
  4. Step 4: Simplify right side
    343,814.29x = 55,266,164,244.72
  5. Step 5: Solve for x
    x = 55,266,164,244.72/343,814.29
  6. Step 6: Final answer
    x = 160,744.23

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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.