Home / 80,303.70-120,455.18-24,143.56

Finding the Fourth Proportional to 80,303.70, 120,455.18 and 24,143.56

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Solution

The fourth proportional to 80,303.70, 120,455.18 and 24,143.56 is: 36,215.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,303.70 : 120,455.18 = 24,143.56 : x
  2. Step 2: Convert to fraction form
    80,303.70/120,455.18 = 24,143.56/x
  3. Step 3: Cross multiply
    80,303.70x = 120,455.18 × 24,143.56
  4. Step 4: Simplify right side
    80,303.70x = 2,908,216,865.64
  5. Step 5: Solve for x
    x = 2,908,216,865.64/80,303.70
  6. Step 6: Final answer
    x = 36,215.23

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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.