Home / 166,770.53-230,143.40-90,289.62

Finding the Fourth Proportional to 166,770.53, 230,143.40 and 90,289.62

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Solution

The fourth proportional to 166,770.53, 230,143.40 and 90,289.62 is: 124,599.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,770.53 : 230,143.40 = 90,289.62 : x
  2. Step 2: Convert to fraction form
    166,770.53/230,143.40 = 90,289.62/x
  3. Step 3: Cross multiply
    166,770.53x = 230,143.40 × 90,289.62
  4. Step 4: Simplify right side
    166,770.53x = 20,779,560,131.51
  5. Step 5: Solve for x
    x = 20,779,560,131.51/166,770.53
  6. Step 6: Final answer
    x = 124,599.71

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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.