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Finding the Fourth Proportional to 140,863.62, 211,303.14 and 35,683.50

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Solution

The fourth proportional to 140,863.62, 211,303.14 and 35,683.50 is: 53,527.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,863.62 : 211,303.14 = 35,683.50 : x
  2. Step 2: Convert to fraction form
    140,863.62/211,303.14 = 35,683.50/x
  3. Step 3: Cross multiply
    140,863.62x = 211,303.14 × 35,683.50
  4. Step 4: Simplify right side
    140,863.62x = 7,540,035,596.19
  5. Step 5: Solve for x
    x = 7,540,035,596.19/140,863.62
  6. Step 6: Final answer
    x = 53,527.20

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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.