Home / 251,110.64-346,535.22-136,390.39

Finding the Fourth Proportional to 251,110.64, 346,535.22 and 136,390.39

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Solution

The fourth proportional to 251,110.64, 346,535.22 and 136,390.39 is: 188,220.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,110.64 : 346,535.22 = 136,390.39 : x
  2. Step 2: Convert to fraction form
    251,110.64/346,535.22 = 136,390.39/x
  3. Step 3: Cross multiply
    251,110.64x = 346,535.22 × 136,390.39
  4. Step 4: Simplify right side
    251,110.64x = 47,264,072,071.86
  5. Step 5: Solve for x
    x = 47,264,072,071.86/251,110.64
  6. Step 6: Final answer
    x = 188,220.11

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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.