Home / 250,266.12-345,429.05-142,898.43

Finding the Fourth Proportional to 250,266.12, 345,429.05 and 142,898.43

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Solution

The fourth proportional to 250,266.12, 345,429.05 and 142,898.43 is: 197,235.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,266.12 : 345,429.05 = 142,898.43 : x
  2. Step 2: Convert to fraction form
    250,266.12/345,429.05 = 142,898.43/x
  3. Step 3: Cross multiply
    250,266.12x = 345,429.05 × 142,898.43
  4. Step 4: Simplify right side
    250,266.12x = 49,361,268,206.90
  5. Step 5: Solve for x
    x = 49,361,268,206.90/250,266.12
  6. Step 6: Final answer
    x = 197,235.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.