Home / 146,000.88-219,251.34-90,171.36

Finding the Fourth Proportional to 146,000.88, 219,251.34 and 90,171.36

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Solution

The fourth proportional to 146,000.88, 219,251.34 and 90,171.36 is: 135,411.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,000.88 : 219,251.34 = 90,171.36 : x
  2. Step 2: Convert to fraction form
    146,000.88/219,251.34 = 90,171.36/x
  3. Step 3: Cross multiply
    146,000.88x = 219,251.34 × 90,171.36
  4. Step 4: Simplify right side
    146,000.88x = 19,770,191,509.62
  5. Step 5: Solve for x
    x = 19,770,191,509.62/146,000.88
  6. Step 6: Final answer
    x = 135,411.45

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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.