Home / 140,942.20-211,931.70-118,132.60

Finding the Fourth Proportional to 140,942.20, 211,931.70 and 118,132.60

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Solution

The fourth proportional to 140,942.20, 211,931.70 and 118,132.60 is: 177,633.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,942.20 : 211,931.70 = 118,132.60 : x
  2. Step 2: Convert to fraction form
    140,942.20/211,931.70 = 118,132.60/x
  3. Step 3: Cross multiply
    140,942.20x = 211,931.70 × 118,132.60
  4. Step 4: Simplify right side
    140,942.20x = 25,036,042,743.42
  5. Step 5: Solve for x
    x = 25,036,042,743.42/140,942.20
  6. Step 6: Final answer
    x = 177,633.40

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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.