Home / 168,740.70-253,111.05-146,190.30

Finding the Fourth Proportional to 168,740.70, 253,111.05 and 146,190.30

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Solution

The fourth proportional to 168,740.70, 253,111.05 and 146,190.30 is: 219,285.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,740.70 : 253,111.05 = 146,190.30 : x
  2. Step 2: Convert to fraction form
    168,740.70/253,111.05 = 146,190.30/x
  3. Step 3: Cross multiply
    168,740.70x = 253,111.05 × 146,190.30
  4. Step 4: Simplify right side
    168,740.70x = 37,002,380,332.82
  5. Step 5: Solve for x
    x = 37,002,380,332.82/168,740.70
  6. Step 6: Final answer
    x = 219,285.45

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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.