Home / 221,460.40-332,190.60-103,143.70

Finding the Fourth Proportional to 221,460.40, 332,190.60 and 103,143.70

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Solution

The fourth proportional to 221,460.40, 332,190.60 and 103,143.70 is: 154,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,460.40 : 332,190.60 = 103,143.70 : x
  2. Step 2: Convert to fraction form
    221,460.40/332,190.60 = 103,143.70/x
  3. Step 3: Cross multiply
    221,460.40x = 332,190.60 × 103,143.70
  4. Step 4: Simplify right side
    221,460.40x = 34,263,367,589.22
  5. Step 5: Solve for x
    x = 34,263,367,589.22/221,460.40
  6. Step 6: Final answer
    x = 154,715.55

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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.