Home / 122,016.29-168,295.51-74,272.70

Finding the Fourth Proportional to 122,016.29, 168,295.51 and 74,272.70

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Solution

The fourth proportional to 122,016.29, 168,295.51 and 74,272.70 is: 102,443.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,016.29 : 168,295.51 = 74,272.70 : x
  2. Step 2: Convert to fraction form
    122,016.29/168,295.51 = 74,272.70/x
  3. Step 3: Cross multiply
    122,016.29x = 168,295.51 × 74,272.70
  4. Step 4: Simplify right side
    122,016.29x = 12,499,760,712.74
  5. Step 5: Solve for x
    x = 12,499,760,712.74/122,016.29
  6. Step 6: Final answer
    x = 102,443.38

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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.