Home / 219,331.92-302,671.44-123,832.96

Finding the Fourth Proportional to 219,331.92, 302,671.44 and 123,832.96

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Solution

The fourth proportional to 219,331.92, 302,671.44 and 123,832.96 is: 170,885.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,331.92 : 302,671.44 = 123,832.96 : x
  2. Step 2: Convert to fraction form
    219,331.92/302,671.44 = 123,832.96/x
  3. Step 3: Cross multiply
    219,331.92x = 302,671.44 × 123,832.96
  4. Step 4: Simplify right side
    219,331.92x = 37,480,700,322.66
  5. Step 5: Solve for x
    x = 37,480,700,322.66/219,331.92
  6. Step 6: Final answer
    x = 170,885.75

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1.5x scale

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.