Home / 344,625.64-516,938.76-107,986.77

Finding the Fourth Proportional to 344,625.64, 516,938.76 and 107,986.77

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Solution

The fourth proportional to 344,625.64, 516,938.76 and 107,986.77 is: 161,980.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,625.64 : 516,938.76 = 107,986.77 : x
  2. Step 2: Convert to fraction form
    344,625.64/516,938.76 = 107,986.77/x
  3. Step 3: Cross multiply
    344,625.64x = 516,938.76 × 107,986.77
  4. Step 4: Simplify right side
    344,625.64x = 55,822,546,980.21
  5. Step 5: Solve for x
    x = 55,822,546,980.21/344,625.64
  6. Step 6: Final answer
    x = 161,980.25

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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.