Home / 219,083.42-302,349.12-123,555.26

Finding the Fourth Proportional to 219,083.42, 302,349.12 and 123,555.26

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Solution

The fourth proportional to 219,083.42, 302,349.12 and 123,555.26 is: 170,514.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,083.42 : 302,349.12 = 123,555.26 : x
  2. Step 2: Convert to fraction form
    219,083.42/302,349.12 = 123,555.26/x
  3. Step 3: Cross multiply
    219,083.42x = 302,349.12 × 123,555.26
  4. Step 4: Simplify right side
    219,083.42x = 37,356,824,132.37
  5. Step 5: Solve for x
    x = 37,356,824,132.37/219,083.42
  6. Step 6: Final answer
    x = 170,514.15

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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.