Home / 219,040.98-302,269.77-123,546.30

Finding the Fourth Proportional to 219,040.98, 302,269.77 and 123,546.30

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Solution

The fourth proportional to 219,040.98, 302,269.77 and 123,546.30 is: 170,490.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,040.98 : 302,269.77 = 123,546.30 : x
  2. Step 2: Convert to fraction form
    219,040.98/302,269.77 = 123,546.30/x
  3. Step 3: Cross multiply
    219,040.98x = 302,269.77 × 123,546.30
  4. Step 4: Simplify right side
    219,040.98x = 37,344,311,685.35
  5. Step 5: Solve for x
    x = 37,344,311,685.35/219,040.98
  6. Step 6: Final answer
    x = 170,490.07

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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.