Home / 135,026.20-186,339.92-74,600.74

Finding the Fourth Proportional to 135,026.20, 186,339.92 and 74,600.74

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Solution

The fourth proportional to 135,026.20, 186,339.92 and 74,600.74 is: 102,951.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,026.20 : 186,339.92 = 74,600.74 : x
  2. Step 2: Convert to fraction form
    135,026.20/186,339.92 = 74,600.74/x
  3. Step 3: Cross multiply
    135,026.20x = 186,339.92 × 74,600.74
  4. Step 4: Simplify right side
    135,026.20x = 13,901,095,550.54
  5. Step 5: Solve for x
    x = 13,901,095,550.54/135,026.20
  6. Step 6: Final answer
    x = 102,951.10

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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.