Home / 140,129.46-210,277.26-131,263.40

Finding the Fourth Proportional to 140,129.46, 210,277.26 and 131,263.40

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Solution

The fourth proportional to 140,129.46, 210,277.26 and 131,263.40 is: 196,972.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,129.46 : 210,277.26 = 131,263.40 : x
  2. Step 2: Convert to fraction form
    140,129.46/210,277.26 = 131,263.40/x
  3. Step 3: Cross multiply
    140,129.46x = 210,277.26 × 131,263.40
  4. Step 4: Simplify right side
    140,129.46x = 27,601,708,090.28
  5. Step 5: Solve for x
    x = 27,601,708,090.28/140,129.46
  6. Step 6: Final answer
    x = 196,972.91

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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.