Home / 219,452.40-302,862.96-123,976.62

Finding the Fourth Proportional to 219,452.40, 302,862.96 and 123,976.62

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Solution

The fourth proportional to 219,452.40, 302,862.96 and 123,976.62 is: 171,098.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,452.40 : 302,862.96 = 123,976.62 : x
  2. Step 2: Convert to fraction form
    219,452.40/302,862.96 = 123,976.62/x
  3. Step 3: Cross multiply
    219,452.40x = 302,862.96 × 123,976.62
  4. Step 4: Simplify right side
    219,452.40x = 37,547,926,104.00
  5. Step 5: Solve for x
    x = 37,547,926,104.00/219,452.40
  6. Step 6: Final answer
    x = 171,098.27

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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.