Home / 102,109.12-140,762.87-67,596.02

Finding the Fourth Proportional to 102,109.12, 140,762.87 and 67,596.02

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Solution

The fourth proportional to 102,109.12, 140,762.87 and 67,596.02 is: 93,184.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,109.12 : 140,762.87 = 67,596.02 : x
  2. Step 2: Convert to fraction form
    102,109.12/140,762.87 = 67,596.02/x
  3. Step 3: Cross multiply
    102,109.12x = 140,762.87 × 67,596.02
  4. Step 4: Simplify right side
    102,109.12x = 9,515,010,687.35
  5. Step 5: Solve for x
    x = 9,515,010,687.35/102,109.12
  6. Step 6: Final answer
    x = 93,184.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.