Home / 219,041.48-302,270.46-123,546.80

Finding the Fourth Proportional to 219,041.48, 302,270.46 and 123,546.80

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Solution

The fourth proportional to 219,041.48, 302,270.46 and 123,546.80 is: 170,490.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,041.48 : 302,270.46 = 123,546.80 : x
  2. Step 2: Convert to fraction form
    219,041.48/302,270.46 = 123,546.80/x
  3. Step 3: Cross multiply
    219,041.48x = 302,270.46 × 123,546.80
  4. Step 4: Simplify right side
    219,041.48x = 37,344,548,067.53
  5. Step 5: Solve for x
    x = 37,344,548,067.53/219,041.48
  6. Step 6: Final answer
    x = 170,490.76

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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.