Home / 168,998.20-253,497.30-102,513.40

Finding the Fourth Proportional to 168,998.20, 253,497.30 and 102,513.40

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Solution

The fourth proportional to 168,998.20, 253,497.30 and 102,513.40 is: 153,770.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,998.20 : 253,497.30 = 102,513.40 : x
  2. Step 2: Convert to fraction form
    168,998.20/253,497.30 = 102,513.40/x
  3. Step 3: Cross multiply
    168,998.20x = 253,497.30 × 102,513.40
  4. Step 4: Simplify right side
    168,998.20x = 25,986,870,113.82
  5. Step 5: Solve for x
    x = 25,986,870,113.82/168,998.20
  6. Step 6: Final answer
    x = 153,770.10

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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.