Home / 146,062.58-219,130.38-40,880.70

Finding the Fourth Proportional to 146,062.58, 219,130.38 and 40,880.70

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Solution

The fourth proportional to 146,062.58, 219,130.38 and 40,880.70 is: 61,331.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,062.58 : 219,130.38 = 40,880.70 : x
  2. Step 2: Convert to fraction form
    146,062.58/219,130.38 = 40,880.70/x
  3. Step 3: Cross multiply
    146,062.58x = 219,130.38 × 40,880.70
  4. Step 4: Simplify right side
    146,062.58x = 8,958,203,325.67
  5. Step 5: Solve for x
    x = 8,958,203,325.67/146,062.58
  6. Step 6: Final answer
    x = 61,331.27

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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.