Home / 251,223.26-376,812.95-82,742.31

Finding the Fourth Proportional to 251,223.26, 376,812.95 and 82,742.31

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Solution

The fourth proportional to 251,223.26, 376,812.95 and 82,742.31 is: 124,106.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,223.26 : 376,812.95 = 82,742.31 : x
  2. Step 2: Convert to fraction form
    251,223.26/376,812.95 = 82,742.31/x
  3. Step 3: Cross multiply
    251,223.26x = 376,812.95 × 82,742.31
  4. Step 4: Simplify right side
    251,223.26x = 31,178,373,507.20
  5. Step 5: Solve for x
    x = 31,178,373,507.20/251,223.26
  6. Step 6: Final answer
    x = 124,106.24

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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.