Home / 251,148.20-376,774.20-82,678.63

Finding the Fourth Proportional to 251,148.20, 376,774.20 and 82,678.63

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Solution

The fourth proportional to 251,148.20, 376,774.20 and 82,678.63 is: 124,035.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,148.20 : 376,774.20 = 82,678.63 : x
  2. Step 2: Convert to fraction form
    251,148.20/376,774.20 = 82,678.63/x
  3. Step 3: Cross multiply
    251,148.20x = 376,774.20 × 82,678.63
  4. Step 4: Simplify right side
    251,148.20x = 31,151,174,261.95
  5. Step 5: Solve for x
    x = 31,151,174,261.95/251,148.20
  6. Step 6: Final answer
    x = 124,035.03

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1.5x scale

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.