Home / 146,408.70-219,613.05-130,662.30

Finding the Fourth Proportional to 146,408.70, 219,613.05 and 130,662.30

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Solution

The fourth proportional to 146,408.70, 219,613.05 and 130,662.30 is: 195,993.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,408.70 : 219,613.05 = 130,662.30 : x
  2. Step 2: Convert to fraction form
    146,408.70/219,613.05 = 130,662.30/x
  3. Step 3: Cross multiply
    146,408.70x = 219,613.05 × 130,662.30
  4. Step 4: Simplify right side
    146,408.70x = 28,695,146,223.02
  5. Step 5: Solve for x
    x = 28,695,146,223.02/146,408.70
  6. Step 6: Final answer
    x = 195,993.45

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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.