Home / 113,105.63-169,658.75-38,205.74

Finding the Fourth Proportional to 113,105.63, 169,658.75 and 38,205.74

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Solution

The fourth proportional to 113,105.63, 169,658.75 and 38,205.74 is: 57,308.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,105.63 : 169,658.75 = 38,205.74 : x
  2. Step 2: Convert to fraction form
    113,105.63/169,658.75 = 38,205.74/x
  3. Step 3: Cross multiply
    113,105.63x = 169,658.75 × 38,205.74
  4. Step 4: Simplify right side
    113,105.63x = 6,481,938,610.89
  5. Step 5: Solve for x
    x = 6,481,938,610.89/113,105.63
  6. Step 6: Final answer
    x = 57,308.72

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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.