Home / 126,297.63-174,499.92-99,642.96

Finding the Fourth Proportional to 126,297.63, 174,499.92 and 99,642.96

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Solution

The fourth proportional to 126,297.63, 174,499.92 and 99,642.96 is: 137,672.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,297.63 : 174,499.92 = 99,642.96 : x
  2. Step 2: Convert to fraction form
    126,297.63/174,499.92 = 99,642.96/x
  3. Step 3: Cross multiply
    126,297.63x = 174,499.92 × 99,642.96
  4. Step 4: Simplify right side
    126,297.63x = 17,387,688,548.56
  5. Step 5: Solve for x
    x = 17,387,688,548.56/126,297.63
  6. Step 6: Final answer
    x = 137,672.33

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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.