Home / 251,521.95-346,997.87-142,603.35

Finding the Fourth Proportional to 251,521.95, 346,997.87 and 142,603.35

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Solution

The fourth proportional to 251,521.95, 346,997.87 and 142,603.35 is: 196,734.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,521.95 : 346,997.87 = 142,603.35 : x
  2. Step 2: Convert to fraction form
    251,521.95/346,997.87 = 142,603.35/x
  3. Step 3: Cross multiply
    251,521.95x = 346,997.87 × 142,603.35
  4. Step 4: Simplify right side
    251,521.95x = 49,483,057,991.85
  5. Step 5: Solve for x
    x = 49,483,057,991.85/251,521.95
  6. Step 6: Final answer
    x = 196,734.55

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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.