Home / 251,288.69-346,772.54-136,564.61

Finding the Fourth Proportional to 251,288.69, 346,772.54 and 136,564.61

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Solution

The fourth proportional to 251,288.69, 346,772.54 and 136,564.61 is: 188,455.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,288.69 : 346,772.54 = 136,564.61 : x
  2. Step 2: Convert to fraction form
    251,288.69/346,772.54 = 136,564.61/x
  3. Step 3: Cross multiply
    251,288.69x = 346,772.54 × 136,564.61
  4. Step 4: Simplify right side
    251,288.69x = 47,356,855,291.36
  5. Step 5: Solve for x
    x = 47,356,855,291.36/251,288.69
  6. Step 6: Final answer
    x = 188,455.98

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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.