Home / 140,909.36-211,252.87-69,856.46

Finding the Fourth Proportional to 140,909.36, 211,252.87 and 69,856.46

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Solution

The fourth proportional to 140,909.36, 211,252.87 and 69,856.46 is: 104,729.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,909.36 : 211,252.87 = 69,856.46 : x
  2. Step 2: Convert to fraction form
    140,909.36/211,252.87 = 69,856.46/x
  3. Step 3: Cross multiply
    140,909.36x = 211,252.87 × 69,856.46
  4. Step 4: Simplify right side
    140,909.36x = 14,757,377,663.04
  5. Step 5: Solve for x
    x = 14,757,377,663.04/140,909.36
  6. Step 6: Final answer
    x = 104,729.58

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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.