Home / 217,157.08-299,668.66-126,518.04

Finding the Fourth Proportional to 217,157.08, 299,668.66 and 126,518.04

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Solution

The fourth proportional to 217,157.08, 299,668.66 and 126,518.04 is: 174,590.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,157.08 : 299,668.66 = 126,518.04 : x
  2. Step 2: Convert to fraction form
    217,157.08/299,668.66 = 126,518.04/x
  3. Step 3: Cross multiply
    217,157.08x = 299,668.66 × 126,518.04
  4. Step 4: Simplify right side
    217,157.08x = 37,913,491,512.63
  5. Step 5: Solve for x
    x = 37,913,491,512.63/217,157.08
  6. Step 6: Final answer
    x = 174,590.17

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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.