Home / 116,803.42-161,201.34-71,511.86

Finding the Fourth Proportional to 116,803.42, 161,201.34 and 71,511.86

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Solution

The fourth proportional to 116,803.42, 161,201.34 and 71,511.86 is: 98,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,803.42 : 161,201.34 = 71,511.86 : x
  2. Step 2: Convert to fraction form
    116,803.42/161,201.34 = 71,511.86/x
  3. Step 3: Cross multiply
    116,803.42x = 161,201.34 × 71,511.86
  4. Step 4: Simplify right side
    116,803.42x = 11,527,808,060.90
  5. Step 5: Solve for x
    x = 11,527,808,060.90/116,803.42
  6. Step 6: Final answer
    x = 98,694.10

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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.