Home / 178,321.15-267,334.30-139,052.35

Finding the Fourth Proportional to 178,321.15, 267,334.30 and 139,052.35

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Solution

The fourth proportional to 178,321.15, 267,334.30 and 139,052.35 is: 208,463.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,321.15 : 267,334.30 = 139,052.35 : x
  2. Step 2: Convert to fraction form
    178,321.15/267,334.30 = 139,052.35/x
  3. Step 3: Cross multiply
    178,321.15x = 267,334.30 × 139,052.35
  4. Step 4: Simplify right side
    178,321.15x = 37,173,462,650.61
  5. Step 5: Solve for x
    x = 37,173,462,650.61/178,321.15
  6. Step 6: Final answer
    x = 208,463.57

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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.