Home / 122,882.40-169,537.16-100,182.37

Finding the Fourth Proportional to 122,882.40, 169,537.16 and 100,182.37

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Solution

The fourth proportional to 122,882.40, 169,537.16 and 100,182.37 is: 138,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,882.40 : 169,537.16 = 100,182.37 : x
  2. Step 2: Convert to fraction form
    122,882.40/169,537.16 = 100,182.37/x
  3. Step 3: Cross multiply
    122,882.40x = 169,537.16 × 100,182.37
  4. Step 4: Simplify right side
    122,882.40x = 16,984,633,567.11
  5. Step 5: Solve for x
    x = 16,984,633,567.11/122,882.40
  6. Step 6: Final answer
    x = 138,218.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.