Home / 217,064.60-299,558.38-126,405.96

Finding the Fourth Proportional to 217,064.60, 299,558.38 and 126,405.96

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Solution

The fourth proportional to 217,064.60, 299,558.38 and 126,405.96 is: 174,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,064.60 : 299,558.38 = 126,405.96 : x
  2. Step 2: Convert to fraction form
    217,064.60/299,558.38 = 126,405.96/x
  3. Step 3: Cross multiply
    217,064.60x = 299,558.38 × 126,405.96
  4. Step 4: Simplify right side
    217,064.60x = 37,865,964,283.93
  5. Step 5: Solve for x
    x = 37,865,964,283.93/217,064.60
  6. Step 6: Final answer
    x = 174,445.60

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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.