Home / 113,046.72-156,006.44-62,064.20

Finding the Fourth Proportional to 113,046.72, 156,006.44 and 62,064.20

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Solution

The fourth proportional to 113,046.72, 156,006.44 and 62,064.20 is: 85,649.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,046.72 : 156,006.44 = 62,064.20 : x
  2. Step 2: Convert to fraction form
    113,046.72/156,006.44 = 62,064.20/x
  3. Step 3: Cross multiply
    113,046.72x = 156,006.44 × 62,064.20
  4. Step 4: Simplify right side
    113,046.72x = 9,682,413,803.09
  5. Step 5: Solve for x
    x = 9,682,413,803.09/113,046.72
  6. Step 6: Final answer
    x = 85,649.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.