Home / 219,008.09-302,235.56-123,496.13

Finding the Fourth Proportional to 219,008.09, 302,235.56 and 123,496.13

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Solution

The fourth proportional to 219,008.09, 302,235.56 and 123,496.13 is: 170,427.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,008.09 : 302,235.56 = 123,496.13 : x
  2. Step 2: Convert to fraction form
    219,008.09/302,235.56 = 123,496.13/x
  3. Step 3: Cross multiply
    219,008.09x = 302,235.56 × 123,496.13
  4. Step 4: Simplify right side
    219,008.09x = 37,324,919,879.72
  5. Step 5: Solve for x
    x = 37,324,919,879.72/219,008.09
  6. Step 6: Final answer
    x = 170,427.13

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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.