Home / 251,403.12-346,935.96-144,007.92

Finding the Fourth Proportional to 251,403.12, 346,935.96 and 144,007.92

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Solution

The fourth proportional to 251,403.12, 346,935.96 and 144,007.92 is: 198,730.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,403.12 : 346,935.96 = 144,007.92 : x
  2. Step 2: Convert to fraction form
    251,403.12/346,935.96 = 144,007.92/x
  3. Step 3: Cross multiply
    251,403.12x = 346,935.96 × 144,007.92
  4. Step 4: Simplify right side
    251,403.12x = 49,961,525,972.80
  5. Step 5: Solve for x
    x = 49,961,525,972.80/251,403.12
  6. Step 6: Final answer
    x = 198,730.73

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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.