Home / 140,125.11-210,270.70-131,259.05

Finding the Fourth Proportional to 140,125.11, 210,270.70 and 131,259.05

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Solution

The fourth proportional to 140,125.11, 210,270.70 and 131,259.05 is: 196,966.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,125.11 : 210,270.70 = 131,259.05 : x
  2. Step 2: Convert to fraction form
    140,125.11/210,270.70 = 131,259.05/x
  3. Step 3: Cross multiply
    140,125.11x = 210,270.70 × 131,259.05
  4. Step 4: Simplify right side
    140,125.11x = 27,599,932,226.07
  5. Step 5: Solve for x
    x = 27,599,932,226.07/140,125.11
  6. Step 6: Final answer
    x = 196,966.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.