Home / 112,944.80-169,427.82-80,622.45

Finding the Fourth Proportional to 112,944.80, 169,427.82 and 80,622.45

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Solution

The fourth proportional to 112,944.80, 169,427.82 and 80,622.45 is: 120,941.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,944.80 : 169,427.82 = 80,622.45 : x
  2. Step 2: Convert to fraction form
    112,944.80/169,427.82 = 80,622.45/x
  3. Step 3: Cross multiply
    112,944.80x = 169,427.82 × 80,622.45
  4. Step 4: Simplify right side
    112,944.80x = 13,659,685,946.56
  5. Step 5: Solve for x
    x = 13,659,685,946.56/112,944.80
  6. Step 6: Final answer
    x = 120,941.26

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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.