Home / 122,569.47-168,900.39-88,517.88

Finding the Fourth Proportional to 122,569.47, 168,900.39 and 88,517.88

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Solution

The fourth proportional to 122,569.47, 168,900.39 and 88,517.88 is: 121,977.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,569.47 : 168,900.39 = 88,517.88 : x
  2. Step 2: Convert to fraction form
    122,569.47/168,900.39 = 88,517.88/x
  3. Step 3: Cross multiply
    122,569.47x = 168,900.39 × 88,517.88
  4. Step 4: Simplify right side
    122,569.47x = 14,950,704,453.97
  5. Step 5: Solve for x
    x = 14,950,704,453.97/122,569.47
  6. Step 6: Final answer
    x = 121,977.39

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1.5x scale

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.