Home / 123,622.70-185,434.06-30,129.26

Finding the Fourth Proportional to 123,622.70, 185,434.06 and 30,129.26

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Solution

The fourth proportional to 123,622.70, 185,434.06 and 30,129.26 is: 45,193.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,622.70 : 185,434.06 = 30,129.26 : x
  2. Step 2: Convert to fraction form
    123,622.70/185,434.06 = 30,129.26/x
  3. Step 3: Cross multiply
    123,622.70x = 185,434.06 × 30,129.26
  4. Step 4: Simplify right side
    123,622.70x = 5,586,991,006.60
  5. Step 5: Solve for x
    x = 5,586,991,006.60/123,622.70
  6. Step 6: Final answer
    x = 45,193.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.