Home / 167,570.41-231,221.37-99,562.21

Finding the Fourth Proportional to 167,570.41, 231,221.37 and 99,562.21

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Solution

The fourth proportional to 167,570.41, 231,221.37 and 99,562.21 is: 137,380.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,570.41 : 231,221.37 = 99,562.21 : x
  2. Step 2: Convert to fraction form
    167,570.41/231,221.37 = 99,562.21/x
  3. Step 3: Cross multiply
    167,570.41x = 231,221.37 × 99,562.21
  4. Step 4: Simplify right side
    167,570.41x = 23,020,909,440.32
  5. Step 5: Solve for x
    x = 23,020,909,440.32/167,570.41
  6. Step 6: Final answer
    x = 137,380.52

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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.