Home / 113,221.92-169,832.64-30,115.92

Finding the Fourth Proportional to 113,221.92, 169,832.64 and 30,115.92

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Solution

The fourth proportional to 113,221.92, 169,832.64 and 30,115.92 is: 45,173.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,221.92 : 169,832.64 = 30,115.92 : x
  2. Step 2: Convert to fraction form
    113,221.92/169,832.64 = 30,115.92/x
  3. Step 3: Cross multiply
    113,221.92x = 169,832.64 × 30,115.92
  4. Step 4: Simplify right side
    113,221.92x = 5,114,666,199.63
  5. Step 5: Solve for x
    x = 5,114,666,199.63/113,221.92
  6. Step 6: Final answer
    x = 45,173.82

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1.5x scale

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.