Home / 116,986.18-161,440.92-63,271.20

Finding the Fourth Proportional to 116,986.18, 161,440.92 and 63,271.20

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Solution

The fourth proportional to 116,986.18, 161,440.92 and 63,271.20 is: 87,314.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,986.18 : 161,440.92 = 63,271.20 : x
  2. Step 2: Convert to fraction form
    116,986.18/161,440.92 = 63,271.20/x
  3. Step 3: Cross multiply
    116,986.18x = 161,440.92 × 63,271.20
  4. Step 4: Simplify right side
    116,986.18x = 10,214,560,737.50
  5. Step 5: Solve for x
    x = 10,214,560,737.50/116,986.18
  6. Step 6: Final answer
    x = 87,314.25

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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.