Home / 250,166.25-345,232.67-136,986.57

Finding the Fourth Proportional to 250,166.25, 345,232.67 and 136,986.57

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Solution

The fourth proportional to 250,166.25, 345,232.67 and 136,986.57 is: 189,043.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,166.25 : 345,232.67 = 136,986.57 : x
  2. Step 2: Convert to fraction form
    250,166.25/345,232.67 = 136,986.57/x
  3. Step 3: Cross multiply
    250,166.25x = 345,232.67 × 136,986.57
  4. Step 4: Simplify right side
    250,166.25x = 47,292,238,630.31
  5. Step 5: Solve for x
    x = 47,292,238,630.31/250,166.25
  6. Step 6: Final answer
    x = 189,043.24

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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.