Home / 121,694.40-182,590.20-51,622.92

Finding the Fourth Proportional to 121,694.40, 182,590.20 and 51,622.92

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Solution

The fourth proportional to 121,694.40, 182,590.20 and 51,622.92 is: 77,455.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,694.40 : 182,590.20 = 51,622.92 : x
  2. Step 2: Convert to fraction form
    121,694.40/182,590.20 = 51,622.92/x
  3. Step 3: Cross multiply
    121,694.40x = 182,590.20 × 51,622.92
  4. Step 4: Simplify right side
    121,694.40x = 9,425,839,287.38
  5. Step 5: Solve for x
    x = 9,425,839,287.38/121,694.40
  6. Step 6: Final answer
    x = 77,455.00

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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.