Home / 140,654.25-210,909.60-45,823.46

Finding the Fourth Proportional to 140,654.25, 210,909.60 and 45,823.46

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Solution

The fourth proportional to 140,654.25, 210,909.60 and 45,823.46 is: 68,711.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,654.25 : 210,909.60 = 45,823.46 : x
  2. Step 2: Convert to fraction form
    140,654.25/210,909.60 = 45,823.46/x
  3. Step 3: Cross multiply
    140,654.25x = 210,909.60 × 45,823.46
  4. Step 4: Simplify right side
    140,654.25x = 9,664,606,564.67
  5. Step 5: Solve for x
    x = 9,664,606,564.67/140,654.25
  6. Step 6: Final answer
    x = 68,711.80

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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.