Home / 250,140.12-345,195.56-148,171.38

Finding the Fourth Proportional to 250,140.12, 345,195.56 and 148,171.38

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Solution

The fourth proportional to 250,140.12, 345,195.56 and 148,171.38 is: 204,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,140.12 : 345,195.56 = 148,171.38 : x
  2. Step 2: Convert to fraction form
    250,140.12/345,195.56 = 148,171.38/x
  3. Step 3: Cross multiply
    250,140.12x = 345,195.56 × 148,171.38
  4. Step 4: Simplify right side
    250,140.12x = 51,148,102,495.07
  5. Step 5: Solve for x
    x = 51,148,102,495.07/250,140.12
  6. Step 6: Final answer
    x = 204,477.80

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1.5x scale

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.