Home / 140,296.86-210,476.38-40,449.26

Finding the Fourth Proportional to 140,296.86, 210,476.38 and 40,449.26

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Solution

The fourth proportional to 140,296.86, 210,476.38 and 40,449.26 is: 60,682.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,296.86 : 210,476.38 = 40,449.26 : x
  2. Step 2: Convert to fraction form
    140,296.86/210,476.38 = 40,449.26/x
  3. Step 3: Cross multiply
    140,296.86x = 210,476.38 × 40,449.26
  4. Step 4: Simplify right side
    140,296.86x = 8,513,613,818.48
  5. Step 5: Solve for x
    x = 8,513,613,818.48/140,296.86
  6. Step 6: Final answer
    x = 60,682.85

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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.