Home / 140,517.64-209,758.01-130,112.38

Finding the Fourth Proportional to 140,517.64, 209,758.01 and 130,112.38

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Solution

The fourth proportional to 140,517.64, 209,758.01 and 130,112.38 is: 194,225.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,517.64 : 209,758.01 = 130,112.38 : x
  2. Step 2: Convert to fraction form
    140,517.64/209,758.01 = 130,112.38/x
  3. Step 3: Cross multiply
    140,517.64x = 209,758.01 × 130,112.38
  4. Step 4: Simplify right side
    140,517.64x = 27,292,113,905.16
  5. Step 5: Solve for x
    x = 27,292,113,905.16/140,517.64
  6. Step 6: Final answer
    x = 194,225.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.