Home / 260,114.16-390,165.52-119,872.96

Finding the Fourth Proportional to 260,114.16, 390,165.52 and 119,872.96

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Solution

The fourth proportional to 260,114.16, 390,165.52 and 119,872.96 is: 179,806.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,114.16 : 390,165.52 = 119,872.96 : x
  2. Step 2: Convert to fraction form
    260,114.16/390,165.52 = 119,872.96/x
  3. Step 3: Cross multiply
    260,114.16x = 390,165.52 × 119,872.96
  4. Step 4: Simplify right side
    260,114.16x = 46,770,295,772.34
  5. Step 5: Solve for x
    x = 46,770,295,772.34/260,114.16
  6. Step 6: Final answer
    x = 179,806.80

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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.