Home / 126,538.27-174,615.96-69,946

Finding the Fourth Proportional to 126,538.27, 174,615.96 and 69,946

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Solution

The fourth proportional to 126,538.27, 174,615.96 and 69,946 is: 96,521.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,538.27 : 174,615.96 = 69,946 : x
  2. Step 2: Convert to fraction form
    126,538.27/174,615.96 = 69,946/x
  3. Step 3: Cross multiply
    126,538.27x = 174,615.96 × 69,946
  4. Step 4: Simplify right side
    126,538.27x = 12,213,687,938.16
  5. Step 5: Solve for x
    x = 12,213,687,938.16/126,538.27
  6. Step 6: Final answer
    x = 96,521.69

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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.