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Finding the Fourth Proportional to 111,041.80, 166,562.70 and 100,544.20

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Solution

The fourth proportional to 111,041.80, 166,562.70 and 100,544.20 is: 150,816.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,041.80 : 166,562.70 = 100,544.20 : x
  2. Step 2: Convert to fraction form
    111,041.80/166,562.70 = 100,544.20/x
  3. Step 3: Cross multiply
    111,041.80x = 166,562.70 × 100,544.20
  4. Step 4: Simplify right side
    111,041.80x = 16,746,913,421.34
  5. Step 5: Solve for x
    x = 16,746,913,421.34/111,041.80
  6. Step 6: Final answer
    x = 150,816.30

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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.