Home / 126,549.08-174,628.96-69,956

Finding the Fourth Proportional to 126,549.08, 174,628.96 and 69,956

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Solution

The fourth proportional to 126,549.08, 174,628.96 and 69,956 is: 96,534.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,549.08 : 174,628.96 = 69,956 : x
  2. Step 2: Convert to fraction form
    126,549.08/174,628.96 = 69,956/x
  3. Step 3: Cross multiply
    126,549.08x = 174,628.96 × 69,956
  4. Step 4: Simplify right side
    126,549.08x = 12,216,343,525.76
  5. Step 5: Solve for x
    x = 12,216,343,525.76/126,549.08
  6. Step 6: Final answer
    x = 96,534.43

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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.