Home / 251,138.20-376,707.30-84,926.20

Finding the Fourth Proportional to 251,138.20, 376,707.30 and 84,926.20

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Solution

The fourth proportional to 251,138.20, 376,707.30 and 84,926.20 is: 127,389.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,138.20 : 376,707.30 = 84,926.20 : x
  2. Step 2: Convert to fraction form
    251,138.20/376,707.30 = 84,926.20/x
  3. Step 3: Cross multiply
    251,138.20x = 376,707.30 × 84,926.20
  4. Step 4: Simplify right side
    251,138.20x = 31,992,319,501.26
  5. Step 5: Solve for x
    x = 31,992,319,501.26/251,138.20
  6. Step 6: Final answer
    x = 127,389.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.