Home / 140,539.33-210,823.76-45,776.90

Finding the Fourth Proportional to 140,539.33, 210,823.76 and 45,776.90

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Solution

The fourth proportional to 140,539.33, 210,823.76 and 45,776.90 is: 68,670.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,539.33 : 210,823.76 = 45,776.90 : x
  2. Step 2: Convert to fraction form
    140,539.33/210,823.76 = 45,776.90/x
  3. Step 3: Cross multiply
    140,539.33x = 210,823.76 × 45,776.90
  4. Step 4: Simplify right side
    140,539.33x = 9,650,857,377.27
  5. Step 5: Solve for x
    x = 9,650,857,377.27/140,539.33
  6. Step 6: Final answer
    x = 68,670.16

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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.