Home / 140,121.32-210,213.66-46,630.76

Finding the Fourth Proportional to 140,121.32, 210,213.66 and 46,630.76

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Solution

The fourth proportional to 140,121.32, 210,213.66 and 46,630.76 is: 69,956.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,121.32 : 210,213.66 = 46,630.76 : x
  2. Step 2: Convert to fraction form
    140,121.32/210,213.66 = 46,630.76/x
  3. Step 3: Cross multiply
    140,121.32x = 210,213.66 × 46,630.76
  4. Step 4: Simplify right side
    140,121.32x = 9,802,422,728.18
  5. Step 5: Solve for x
    x = 9,802,422,728.18/140,121.32
  6. Step 6: Final answer
    x = 69,956.68

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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.