Home / 146,690.28-220,062.78-66,733.92

Finding the Fourth Proportional to 146,690.28, 220,062.78 and 66,733.92

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Solution

The fourth proportional to 146,690.28, 220,062.78 and 66,733.92 is: 100,113.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,690.28 : 220,062.78 = 66,733.92 : x
  2. Step 2: Convert to fraction form
    146,690.28/220,062.78 = 66,733.92/x
  3. Step 3: Cross multiply
    146,690.28x = 220,062.78 × 66,733.92
  4. Step 4: Simplify right side
    146,690.28x = 14,685,651,955.50
  5. Step 5: Solve for x
    x = 14,685,651,955.50/146,690.28
  6. Step 6: Final answer
    x = 100,113.33

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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.