Home / 251,220.34-376,885.87-139,064.14

Finding the Fourth Proportional to 251,220.34, 376,885.87 and 139,064.14

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Solution

The fourth proportional to 251,220.34, 376,885.87 and 139,064.14 is: 208,626.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,220.34 : 376,885.87 = 139,064.14 : x
  2. Step 2: Convert to fraction form
    251,220.34/376,885.87 = 139,064.14/x
  3. Step 3: Cross multiply
    251,220.34x = 376,885.87 × 139,064.14
  4. Step 4: Simplify right side
    251,220.34x = 52,411,309,389.70
  5. Step 5: Solve for x
    x = 52,411,309,389.70/251,220.34
  6. Step 6: Final answer
    x = 208,626.85

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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.