Home / 146,118.94-219,002.10-71,126.74

Finding the Fourth Proportional to 146,118.94, 219,002.10 and 71,126.74

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Solution

The fourth proportional to 146,118.94, 219,002.10 and 71,126.74 is: 106,604.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,118.94 : 219,002.10 = 71,126.74 : x
  2. Step 2: Convert to fraction form
    146,118.94/219,002.10 = 71,126.74/x
  3. Step 3: Cross multiply
    146,118.94x = 219,002.10 × 71,126.74
  4. Step 4: Simplify right side
    146,118.94x = 15,576,905,426.15
  5. Step 5: Solve for x
    x = 15,576,905,426.15/146,118.94
  6. Step 6: Final answer
    x = 106,604.29

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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.