Home / 98,289.21-147,285.18-73,211.61

Finding the Fourth Proportional to 98,289.21, 147,285.18 and 73,211.61

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Solution

The fourth proportional to 98,289.21, 147,285.18 and 73,211.61 is: 109,706.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,289.21 : 147,285.18 = 73,211.61 : x
  2. Step 2: Convert to fraction form
    98,289.21/147,285.18 = 73,211.61/x
  3. Step 3: Cross multiply
    98,289.21x = 147,285.18 × 73,211.61
  4. Step 4: Simplify right side
    98,289.21x = 10,782,985,156.94
  5. Step 5: Solve for x
    x = 10,782,985,156.94/98,289.21
  6. Step 6: Final answer
    x = 109,706.70

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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.