Home / 166,770.40-230,145.00-90,291.16

Finding the Fourth Proportional to 166,770.40, 230,145.00 and 90,291.16

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Solution

The fourth proportional to 166,770.40, 230,145.00 and 90,291.16 is: 124,602.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,770.40 : 230,145.00 = 90,291.16 : x
  2. Step 2: Convert to fraction form
    166,770.40/230,145.00 = 90,291.16/x
  3. Step 3: Cross multiply
    166,770.40x = 230,145.00 × 90,291.16
  4. Step 4: Simplify right side
    166,770.40x = 20,780,058,846.99
  5. Step 5: Solve for x
    x = 20,780,058,846.99/166,770.40
  6. Step 6: Final answer
    x = 124,602.80

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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.