Home / 209,060.52-288,504.30-123,022.86

Finding the Fourth Proportional to 209,060.52, 288,504.30 and 123,022.86

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Solution

The fourth proportional to 209,060.52, 288,504.30 and 123,022.86 is: 169,772.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,060.52 : 288,504.30 = 123,022.86 : x
  2. Step 2: Convert to fraction form
    209,060.52/288,504.30 = 123,022.86/x
  3. Step 3: Cross multiply
    209,060.52x = 288,504.30 × 123,022.86
  4. Step 4: Simplify right side
    209,060.52x = 35,492,624,108.30
  5. Step 5: Solve for x
    x = 35,492,624,108.30/209,060.52
  6. Step 6: Final answer
    x = 169,772.01

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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.