Home / 251,088.89-346,562.93-143,721.17

Finding the Fourth Proportional to 251,088.89, 346,562.93 and 143,721.17

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Solution

The fourth proportional to 251,088.89, 346,562.93 and 143,721.17 is: 198,369.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,088.89 : 346,562.93 = 143,721.17 : x
  2. Step 2: Convert to fraction form
    251,088.89/346,562.93 = 143,721.17/x
  3. Step 3: Cross multiply
    251,088.89x = 346,562.93 × 143,721.17
  4. Step 4: Simplify right side
    251,088.89x = 49,808,429,778.23
  5. Step 5: Solve for x
    x = 49,808,429,778.23/251,088.89
  6. Step 6: Final answer
    x = 198,369.71

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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.