Home / 166,611.58-229,922.93-90,130.37

Finding the Fourth Proportional to 166,611.58, 229,922.93 and 90,130.37

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Solution

The fourth proportional to 166,611.58, 229,922.93 and 90,130.37 is: 124,379.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,611.58 : 229,922.93 = 90,130.37 : x
  2. Step 2: Convert to fraction form
    166,611.58/229,922.93 = 90,130.37/x
  3. Step 3: Cross multiply
    166,611.58x = 229,922.93 × 90,130.37
  4. Step 4: Simplify right side
    166,611.58x = 20,723,037,828.10
  5. Step 5: Solve for x
    x = 20,723,037,828.10/166,611.58
  6. Step 6: Final answer
    x = 124,379.34

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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.