Home / 251,022.06-346,350.87-142,127.82

Finding the Fourth Proportional to 251,022.06, 346,350.87 and 142,127.82

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Solution

The fourth proportional to 251,022.06, 346,350.87 and 142,127.82 is: 196,102.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,022.06 : 346,350.87 = 142,127.82 : x
  2. Step 2: Convert to fraction form
    251,022.06/346,350.87 = 142,127.82/x
  3. Step 3: Cross multiply
    251,022.06x = 346,350.87 × 142,127.82
  4. Step 4: Simplify right side
    251,022.06x = 49,226,094,108.20
  5. Step 5: Solve for x
    x = 49,226,094,108.20/251,022.06
  6. Step 6: Final answer
    x = 196,102.66

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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.