Home / 146,708.84-220,037.26-66,728.13

Finding the Fourth Proportional to 146,708.84, 220,037.26 and 66,728.13

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Solution

The fourth proportional to 146,708.84, 220,037.26 and 66,728.13 is: 100,080.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,708.84 : 220,037.26 = 66,728.13 : x
  2. Step 2: Convert to fraction form
    146,708.84/220,037.26 = 66,728.13/x
  3. Step 3: Cross multiply
    146,708.84x = 220,037.26 × 66,728.13
  4. Step 4: Simplify right side
    146,708.84x = 14,682,673,898.16
  5. Step 5: Solve for x
    x = 14,682,673,898.16/146,708.84
  6. Step 6: Final answer
    x = 100,080.36

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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.