Home / 250,166.08-345,223.20-136,993.60

Finding the Fourth Proportional to 250,166.08, 345,223.20 and 136,993.60

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Solution

The fourth proportional to 250,166.08, 345,223.20 and 136,993.60 is: 189,047.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,166.08 : 345,223.20 = 136,993.60 : x
  2. Step 2: Convert to fraction form
    250,166.08/345,223.20 = 136,993.60/x
  3. Step 3: Cross multiply
    250,166.08x = 345,223.20 × 136,993.60
  4. Step 4: Simplify right side
    250,166.08x = 47,293,368,971.52
  5. Step 5: Solve for x
    x = 47,293,368,971.52/250,166.08
  6. Step 6: Final answer
    x = 189,047.89

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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.