Home / 251,039.43-346,434.39-136,317.51

Finding the Fourth Proportional to 251,039.43, 346,434.39 and 136,317.51

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Solution

The fourth proportional to 251,039.43, 346,434.39 and 136,317.51 is: 188,118.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,039.43 : 346,434.39 = 136,317.51 : x
  2. Step 2: Convert to fraction form
    251,039.43/346,434.39 = 136,317.51/x
  3. Step 3: Cross multiply
    251,039.43x = 346,434.39 × 136,317.51
  4. Step 4: Simplify right side
    251,039.43x = 47,225,073,423.17
  5. Step 5: Solve for x
    x = 47,225,073,423.17/251,039.43
  6. Step 6: Final answer
    x = 188,118.15

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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.