Home / 251,130.77-346,564.19-136,411.65

Finding the Fourth Proportional to 251,130.77, 346,564.19 and 136,411.65

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Solution

The fourth proportional to 251,130.77, 346,564.19 and 136,411.65 is: 188,250.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,130.77 : 346,564.19 = 136,411.65 : x
  2. Step 2: Convert to fraction form
    251,130.77/346,564.19 = 136,411.65/x
  3. Step 3: Cross multiply
    251,130.77x = 346,564.19 × 136,411.65
  4. Step 4: Simplify right side
    251,130.77x = 47,275,394,196.25
  5. Step 5: Solve for x
    x = 47,275,394,196.25/251,130.77
  6. Step 6: Final answer
    x = 188,250.11

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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.