Home / 140,679.22-211,052.40-45,909.58

Finding the Fourth Proportional to 140,679.22, 211,052.40 and 45,909.58

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Solution

The fourth proportional to 140,679.22, 211,052.40 and 45,909.58 is: 68,875.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,679.22 : 211,052.40 = 45,909.58 : x
  2. Step 2: Convert to fraction form
    140,679.22/211,052.40 = 45,909.58/x
  3. Step 3: Cross multiply
    140,679.22x = 211,052.40 × 45,909.58
  4. Step 4: Simplify right side
    140,679.22x = 9,689,326,812.44
  5. Step 5: Solve for x
    x = 9,689,326,812.44/140,679.22
  6. Step 6: Final answer
    x = 68,875.32

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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.