Home / 146,775.80-202,536.78-101,502.20

Finding the Fourth Proportional to 146,775.80, 202,536.78 and 101,502.20

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Solution

The fourth proportional to 146,775.80, 202,536.78 and 101,502.20 is: 140,063.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,775.80 : 202,536.78 = 101,502.20 : x
  2. Step 2: Convert to fraction form
    146,775.80/202,536.78 = 101,502.20/x
  3. Step 3: Cross multiply
    146,775.80x = 202,536.78 × 101,502.20
  4. Step 4: Simplify right side
    146,775.80x = 20,557,928,750.92
  5. Step 5: Solve for x
    x = 20,557,928,750.92/146,775.80
  6. Step 6: Final answer
    x = 140,063.48

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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.