Home / 260,152.32-390,228.58-73,163.82

Finding the Fourth Proportional to 260,152.32, 390,228.58 and 73,163.82

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Solution

The fourth proportional to 260,152.32, 390,228.58 and 73,163.82 is: 109,745.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,152.32 : 390,228.58 = 73,163.82 : x
  2. Step 2: Convert to fraction form
    260,152.32/390,228.58 = 73,163.82/x
  3. Step 3: Cross multiply
    260,152.32x = 390,228.58 × 73,163.82
  4. Step 4: Simplify right side
    260,152.32x = 28,550,613,585.98
  5. Step 5: Solve for x
    x = 28,550,613,585.98/260,152.32
  6. Step 6: Final answer
    x = 109,745.76

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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.