Home / 251,036.22-346,432.23-137,859.78

Finding the Fourth Proportional to 251,036.22, 346,432.23 and 137,859.78

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Solution

The fourth proportional to 251,036.22, 346,432.23 and 137,859.78 is: 190,247.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,036.22 : 346,432.23 = 137,859.78 : x
  2. Step 2: Convert to fraction form
    251,036.22/346,432.23 = 137,859.78/x
  3. Step 3: Cross multiply
    251,036.22x = 346,432.23 × 137,859.78
  4. Step 4: Simplify right side
    251,036.22x = 47,759,071,012.71
  5. Step 5: Solve for x
    x = 47,759,071,012.71/251,036.22
  6. Step 6: Final answer
    x = 190,247.73

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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.