Home / 140,845.64-211,264.14-57,677

Finding the Fourth Proportional to 140,845.64, 211,264.14 and 57,677

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Solution

The fourth proportional to 140,845.64, 211,264.14 and 57,677 is: 86,513.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,845.64 : 211,264.14 = 57,677 : x
  2. Step 2: Convert to fraction form
    140,845.64/211,264.14 = 57,677/x
  3. Step 3: Cross multiply
    140,845.64x = 211,264.14 × 57,677
  4. Step 4: Simplify right side
    140,845.64x = 12,185,081,802.78
  5. Step 5: Solve for x
    x = 12,185,081,802.78/140,845.64
  6. Step 6: Final answer
    x = 86,513.73

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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.