Home / 140,272.68-210,458.16-87,620.52

Finding the Fourth Proportional to 140,272.68, 210,458.16 and 87,620.52

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Solution

The fourth proportional to 140,272.68, 210,458.16 and 87,620.52 is: 131,461.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,272.68 : 210,458.16 = 87,620.52 : x
  2. Step 2: Convert to fraction form
    140,272.68/210,458.16 = 87,620.52/x
  3. Step 3: Cross multiply
    140,272.68x = 210,458.16 × 87,620.52
  4. Step 4: Simplify right side
    140,272.68x = 18,440,453,417.44
  5. Step 5: Solve for x
    x = 18,440,453,417.44/140,272.68
  6. Step 6: Final answer
    x = 131,461.48

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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.