Home / 217,258.74-299,816.28-126,668.34

Finding the Fourth Proportional to 217,258.74, 299,816.28 and 126,668.34

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Solution

The fourth proportional to 217,258.74, 299,816.28 and 126,668.34 is: 174,801.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,258.74 : 299,816.28 = 126,668.34 : x
  2. Step 2: Convert to fraction form
    217,258.74/299,816.28 = 126,668.34/x
  3. Step 3: Cross multiply
    217,258.74x = 299,816.28 × 126,668.34
  4. Step 4: Simplify right side
    217,258.74x = 37,977,230,492.58
  5. Step 5: Solve for x
    x = 37,977,230,492.58/217,258.74
  6. Step 6: Final answer
    x = 174,801.85

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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.