Home / 140,829.90-211,321.65-57,732.30

Finding the Fourth Proportional to 140,829.90, 211,321.65 and 57,732.30

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Solution

The fourth proportional to 140,829.90, 211,321.65 and 57,732.30 is: 86,629.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,829.90 : 211,321.65 = 57,732.30 : x
  2. Step 2: Convert to fraction form
    140,829.90/211,321.65 = 57,732.30/x
  3. Step 3: Cross multiply
    140,829.90x = 211,321.65 × 57,732.30
  4. Step 4: Simplify right side
    140,829.90x = 12,200,084,894.30
  5. Step 5: Solve for x
    x = 12,200,084,894.30/140,829.90
  6. Step 6: Final answer
    x = 86,629.93

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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.