Home / 146,785.70-220,177.39-87,226.94

Finding the Fourth Proportional to 146,785.70, 220,177.39 and 87,226.94

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Solution

The fourth proportional to 146,785.70, 220,177.39 and 87,226.94 is: 130,839.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,785.70 : 220,177.39 = 87,226.94 : x
  2. Step 2: Convert to fraction form
    146,785.70/220,177.39 = 87,226.94/x
  3. Step 3: Cross multiply
    146,785.70x = 220,177.39 × 87,226.94
  4. Step 4: Simplify right side
    146,785.70x = 19,205,400,482.81
  5. Step 5: Solve for x
    x = 19,205,400,482.81/146,785.70
  6. Step 6: Final answer
    x = 130,839.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.