Home / 219,456.23-302,874.24-123,969.07

Finding the Fourth Proportional to 219,456.23, 302,874.24 and 123,969.07

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Solution

The fourth proportional to 219,456.23, 302,874.24 and 123,969.07 is: 171,091.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,456.23 : 302,874.24 = 123,969.07 : x
  2. Step 2: Convert to fraction form
    219,456.23/302,874.24 = 123,969.07/x
  3. Step 3: Cross multiply
    219,456.23x = 302,874.24 × 123,969.07
  4. Step 4: Simplify right side
    219,456.23x = 37,547,037,859.76
  5. Step 5: Solve for x
    x = 37,547,037,859.76/219,456.23
  6. Step 6: Final answer
    x = 171,091.24

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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.