Home / 113,178.88-169,839.69-63,291.70

Finding the Fourth Proportional to 113,178.88, 169,839.69 and 63,291.70

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Solution

The fourth proportional to 113,178.88, 169,839.69 and 63,291.70 is: 94,977.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,178.88 : 169,839.69 = 63,291.70 : x
  2. Step 2: Convert to fraction form
    113,178.88/169,839.69 = 63,291.70/x
  3. Step 3: Cross multiply
    113,178.88x = 169,839.69 × 63,291.70
  4. Step 4: Simplify right side
    113,178.88x = 10,749,442,707.57
  5. Step 5: Solve for x
    x = 10,749,442,707.57/113,178.88
  6. Step 6: Final answer
    x = 94,977.46

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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.