Home / 142,758.17-214,234.15-76,246.03

Finding the Fourth Proportional to 142,758.17, 214,234.15 and 76,246.03

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Solution

The fourth proportional to 142,758.17, 214,234.15 and 76,246.03 is: 114,420.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,758.17 : 214,234.15 = 76,246.03 : x
  2. Step 2: Convert to fraction form
    142,758.17/214,234.15 = 76,246.03/x
  3. Step 3: Cross multiply
    142,758.17x = 214,234.15 × 76,246.03
  4. Step 4: Simplify right side
    142,758.17x = 16,334,503,427.92
  5. Step 5: Solve for x
    x = 16,334,503,427.92/142,758.17
  6. Step 6: Final answer
    x = 114,420.80

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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.