Home / 86,941.32-119,861.22-74,329.97

Finding the Fourth Proportional to 86,941.32, 119,861.22 and 74,329.97

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Solution

The fourth proportional to 86,941.32, 119,861.22 and 74,329.97 is: 102,474.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,941.32 : 119,861.22 = 74,329.97 : x
  2. Step 2: Convert to fraction form
    86,941.32/119,861.22 = 74,329.97/x
  3. Step 3: Cross multiply
    86,941.32x = 119,861.22 × 74,329.97
  4. Step 4: Simplify right side
    86,941.32x = 8,909,281,186.42
  5. Step 5: Solve for x
    x = 8,909,281,186.42/86,941.32
  6. Step 6: Final answer
    x = 102,474.65

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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.