Home / 140,790.24-210,982.32-136,530.72

Finding the Fourth Proportional to 140,790.24, 210,982.32 and 136,530.72

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Solution

The fourth proportional to 140,790.24, 210,982.32 and 136,530.72 is: 204,599.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,790.24 : 210,982.32 = 136,530.72 : x
  2. Step 2: Convert to fraction form
    140,790.24/210,982.32 = 136,530.72/x
  3. Step 3: Cross multiply
    140,790.24x = 210,982.32 × 136,530.72
  4. Step 4: Simplify right side
    140,790.24x = 28,805,568,056.87
  5. Step 5: Solve for x
    x = 28,805,568,056.87/140,790.24
  6. Step 6: Final answer
    x = 204,599.18

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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.