Home / 113,309.17-169,810.61-43,150.21

Finding the Fourth Proportional to 113,309.17, 169,810.61 and 43,150.21

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Solution

The fourth proportional to 113,309.17, 169,810.61 and 43,150.21 is: 64,666.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,309.17 : 169,810.61 = 43,150.21 : x
  2. Step 2: Convert to fraction form
    113,309.17/169,810.61 = 43,150.21/x
  3. Step 3: Cross multiply
    113,309.17x = 169,810.61 × 43,150.21
  4. Step 4: Simplify right side
    113,309.17x = 7,327,363,481.73
  5. Step 5: Solve for x
    x = 7,327,363,481.73/113,309.17
  6. Step 6: Final answer
    x = 64,666.99

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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.