Home / 188,401.10-282,601.65-167,405.90

Finding the Fourth Proportional to 188,401.10, 282,601.65 and 167,405.90

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Solution

The fourth proportional to 188,401.10, 282,601.65 and 167,405.90 is: 251,108.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,401.10 : 282,601.65 = 167,405.90 : x
  2. Step 2: Convert to fraction form
    188,401.10/282,601.65 = 167,405.90/x
  3. Step 3: Cross multiply
    188,401.10x = 282,601.65 × 167,405.90
  4. Step 4: Simplify right side
    188,401.10x = 47,309,183,559.74
  5. Step 5: Solve for x
    x = 47,309,183,559.74/188,401.10
  6. Step 6: Final answer
    x = 251,108.85

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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.