Home / 113,537.76-156,529.44-79,500.48

Finding the Fourth Proportional to 113,537.76, 156,529.44 and 79,500.48

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Solution

The fourth proportional to 113,537.76, 156,529.44 and 79,500.48 is: 109,603.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,537.76 : 156,529.44 = 79,500.48 : x
  2. Step 2: Convert to fraction form
    113,537.76/156,529.44 = 79,500.48/x
  3. Step 3: Cross multiply
    113,537.76x = 156,529.44 × 79,500.48
  4. Step 4: Simplify right side
    113,537.76x = 12,444,165,614.13
  5. Step 5: Solve for x
    x = 12,444,165,614.13/113,537.76
  6. Step 6: Final answer
    x = 109,603.76

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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.