Home / 140,930.85-211,284.50-69,803.54

Finding the Fourth Proportional to 140,930.85, 211,284.50 and 69,803.54

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Solution

The fourth proportional to 140,930.85, 211,284.50 and 69,803.54 is: 104,649.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,930.85 : 211,284.50 = 69,803.54 : x
  2. Step 2: Convert to fraction form
    140,930.85/211,284.50 = 69,803.54/x
  3. Step 3: Cross multiply
    140,930.85x = 211,284.50 × 69,803.54
  4. Step 4: Simplify right side
    140,930.85x = 14,748,404,641.69
  5. Step 5: Solve for x
    x = 14,748,404,641.69/140,930.85
  6. Step 6: Final answer
    x = 104,649.94

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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.