Home / 250,126.05-345,208.37-153,387.75

Finding the Fourth Proportional to 250,126.05, 345,208.37 and 153,387.75

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Solution

The fourth proportional to 250,126.05, 345,208.37 and 153,387.75 is: 211,696.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,126.05 : 345,208.37 = 153,387.75 : x
  2. Step 2: Convert to fraction form
    250,126.05/345,208.37 = 153,387.75/x
  3. Step 3: Cross multiply
    250,126.05x = 345,208.37 × 153,387.75
  4. Step 4: Simplify right side
    250,126.05x = 52,950,735,155.47
  5. Step 5: Solve for x
    x = 52,950,735,155.47/250,126.05
  6. Step 6: Final answer
    x = 211,696.20

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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.