Home / 250,123.04-345,170.40-136,943.36

Finding the Fourth Proportional to 250,123.04, 345,170.40 and 136,943.36

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Solution

The fourth proportional to 250,123.04, 345,170.40 and 136,943.36 is: 188,982.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,123.04 : 345,170.40 = 136,943.36 : x
  2. Step 2: Convert to fraction form
    250,123.04/345,170.40 = 136,943.36/x
  3. Step 3: Cross multiply
    250,123.04x = 345,170.40 × 136,943.36
  4. Step 4: Simplify right side
    250,123.04x = 47,268,794,348.54
  5. Step 5: Solve for x
    x = 47,268,794,348.54/250,123.04
  6. Step 6: Final answer
    x = 188,982.17

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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.