Home / 250,146.64-345,198.93-136,969.38

Finding the Fourth Proportional to 250,146.64, 345,198.93 and 136,969.38

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Solution

The fourth proportional to 250,146.64, 345,198.93 and 136,969.38 is: 189,015.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,146.64 : 345,198.93 = 136,969.38 : x
  2. Step 2: Convert to fraction form
    250,146.64/345,198.93 = 136,969.38/x
  3. Step 3: Cross multiply
    250,146.64x = 345,198.93 × 136,969.38
  4. Step 4: Simplify right side
    250,146.64x = 47,281,683,418.76
  5. Step 5: Solve for x
    x = 47,281,683,418.76/250,146.64
  6. Step 6: Final answer
    x = 189,015.86

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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.