Home / 166,720.32-230,072.58-90,237.90

Finding the Fourth Proportional to 166,720.32, 230,072.58 and 90,237.90

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Solution

The fourth proportional to 166,720.32, 230,072.58 and 90,237.90 is: 124,527.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,720.32 : 230,072.58 = 90,237.90 : x
  2. Step 2: Convert to fraction form
    166,720.32/230,072.58 = 90,237.90/x
  3. Step 3: Cross multiply
    166,720.32x = 230,072.58 × 90,237.90
  4. Step 4: Simplify right side
    166,720.32x = 20,761,266,466.78
  5. Step 5: Solve for x
    x = 20,761,266,466.78/166,720.32
  6. Step 6: Final answer
    x = 124,527.51

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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.