Home / 111,220.18-166,830.27-28,114.18

Finding the Fourth Proportional to 111,220.18, 166,830.27 and 28,114.18

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Solution

The fourth proportional to 111,220.18, 166,830.27 and 28,114.18 is: 42,171.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,220.18 : 166,830.27 = 28,114.18 : x
  2. Step 2: Convert to fraction form
    111,220.18/166,830.27 = 28,114.18/x
  3. Step 3: Cross multiply
    111,220.18x = 166,830.27 × 28,114.18
  4. Step 4: Simplify right side
    111,220.18x = 4,690,296,240.23
  5. Step 5: Solve for x
    x = 4,690,296,240.23/111,220.18
  6. Step 6: Final answer
    x = 42,171.27

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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.