Home / 251,284.74-346,774.06-138,114.78

Finding the Fourth Proportional to 251,284.74, 346,774.06 and 138,114.78

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Solution

The fourth proportional to 251,284.74, 346,774.06 and 138,114.78 is: 190,599.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,284.74 : 346,774.06 = 138,114.78 : x
  2. Step 2: Convert to fraction form
    251,284.74/346,774.06 = 138,114.78/x
  3. Step 3: Cross multiply
    251,284.74x = 346,774.06 × 138,114.78
  4. Step 4: Simplify right side
    251,284.74x = 47,894,623,006.61
  5. Step 5: Solve for x
    x = 47,894,623,006.61/251,284.74
  6. Step 6: Final answer
    x = 190,599.01

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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.