Home / 219,083.39-302,349.08-123,555.23

Finding the Fourth Proportional to 219,083.39, 302,349.08 and 123,555.23

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Solution

The fourth proportional to 219,083.39, 302,349.08 and 123,555.23 is: 170,514.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,083.39 : 302,349.08 = 123,555.23 : x
  2. Step 2: Convert to fraction form
    219,083.39/302,349.08 = 123,555.23/x
  3. Step 3: Cross multiply
    219,083.39x = 302,349.08 × 123,555.23
  4. Step 4: Simplify right side
    219,083.39x = 37,356,810,119.69
  5. Step 5: Solve for x
    x = 37,356,810,119.69/219,083.39
  6. Step 6: Final answer
    x = 170,514.11

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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.