Home / 135,303.54-186,728.22-74,876.70

Finding the Fourth Proportional to 135,303.54, 186,728.22 and 74,876.70

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Solution

The fourth proportional to 135,303.54, 186,728.22 and 74,876.70 is: 103,335.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,303.54 : 186,728.22 = 74,876.70 : x
  2. Step 2: Convert to fraction form
    135,303.54/186,728.22 = 74,876.70/x
  3. Step 3: Cross multiply
    135,303.54x = 186,728.22 × 74,876.70
  4. Step 4: Simplify right side
    135,303.54x = 13,981,592,910.47
  5. Step 5: Solve for x
    x = 13,981,592,910.47/135,303.54
  6. Step 6: Final answer
    x = 103,335.01

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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.