Home / 140,685.86-211,046.14-45,890.69

Finding the Fourth Proportional to 140,685.86, 211,046.14 and 45,890.69

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Solution

The fourth proportional to 140,685.86, 211,046.14 and 45,890.69 is: 68,841.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,685.86 : 211,046.14 = 45,890.69 : x
  2. Step 2: Convert to fraction form
    140,685.86/211,046.14 = 45,890.69/x
  3. Step 3: Cross multiply
    140,685.86x = 211,046.14 × 45,890.69
  4. Step 4: Simplify right side
    140,685.86x = 9,685,051,988.57
  5. Step 5: Solve for x
    x = 9,685,051,988.57/140,685.86
  6. Step 6: Final answer
    x = 68,841.69

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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.