Home / 92,600.22-139,084.86-87,377.82

Finding the Fourth Proportional to 92,600.22, 139,084.86 and 87,377.82

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Solution

The fourth proportional to 92,600.22, 139,084.86 and 87,377.82 is: 131,240.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,600.22 : 139,084.86 = 87,377.82 : x
  2. Step 2: Convert to fraction form
    92,600.22/139,084.86 = 87,377.82/x
  3. Step 3: Cross multiply
    92,600.22x = 139,084.86 × 87,377.82
  4. Step 4: Simplify right side
    92,600.22x = 12,152,931,861.81
  5. Step 5: Solve for x
    x = 12,152,931,861.81/92,600.22
  6. Step 6: Final answer
    x = 131,240.85

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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.