Home / 166,770.28-230,143.06-90,289.37

Finding the Fourth Proportional to 166,770.28, 230,143.06 and 90,289.37

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Solution

The fourth proportional to 166,770.28, 230,143.06 and 90,289.37 is: 124,599.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,770.28 : 230,143.06 = 90,289.37 : x
  2. Step 2: Convert to fraction form
    166,770.28/230,143.06 = 90,289.37/x
  3. Step 3: Cross multiply
    166,770.28x = 230,143.06 × 90,289.37
  4. Step 4: Simplify right side
    166,770.28x = 20,779,472,246.91
  5. Step 5: Solve for x
    x = 20,779,472,246.91/166,770.28
  6. Step 6: Final answer
    x = 124,599.37

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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.