Home / 250,101.26-345,140.75-136,934.54

Finding the Fourth Proportional to 250,101.26, 345,140.75 and 136,934.54

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Solution

The fourth proportional to 250,101.26, 345,140.75 and 136,934.54 is: 188,970.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,101.26 : 345,140.75 = 136,934.54 : x
  2. Step 2: Convert to fraction form
    250,101.26/345,140.75 = 136,934.54/x
  3. Step 3: Cross multiply
    250,101.26x = 345,140.75 × 136,934.54
  4. Step 4: Simplify right side
    250,101.26x = 47,261,689,836.51
  5. Step 5: Solve for x
    x = 47,261,689,836.51/250,101.26
  6. Step 6: Final answer
    x = 188,970.22

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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.