Home / 111,042.10-166,587.45-54,909.10

Finding the Fourth Proportional to 111,042.10, 166,587.45 and 54,909.10

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Solution

The fourth proportional to 111,042.10, 166,587.45 and 54,909.10 is: 82,375.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,042.10 : 166,587.45 = 54,909.10 : x
  2. Step 2: Convert to fraction form
    111,042.10/166,587.45 = 54,909.10/x
  3. Step 3: Cross multiply
    111,042.10x = 166,587.45 × 54,909.10
  4. Step 4: Simplify right side
    111,042.10x = 9,147,166,950.80
  5. Step 5: Solve for x
    x = 9,147,166,950.80/111,042.10
  6. Step 6: Final answer
    x = 82,375.67

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1.5x scale

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.