Home / 140,480.10-210,536.28-122,665.86

Finding the Fourth Proportional to 140,480.10, 210,536.28 and 122,665.86

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Solution

The fourth proportional to 140,480.10, 210,536.28 and 122,665.86 is: 183,838.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,480.10 : 210,536.28 = 122,665.86 : x
  2. Step 2: Convert to fraction form
    140,480.10/210,536.28 = 122,665.86/x
  3. Step 3: Cross multiply
    140,480.10x = 210,536.28 × 122,665.86
  4. Step 4: Simplify right side
    140,480.10x = 25,825,613,847.40
  5. Step 5: Solve for x
    x = 25,825,613,847.40/140,480.10
  6. Step 6: Final answer
    x = 183,838.24

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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.