Home / 146,038.20-219,032.46-40,832.70

Finding the Fourth Proportional to 146,038.20, 219,032.46 and 40,832.70

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Solution

The fourth proportional to 146,038.20, 219,032.46 and 40,832.70 is: 61,242.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,038.20 : 219,032.46 = 40,832.70 : x
  2. Step 2: Convert to fraction form
    146,038.20/219,032.46 = 40,832.70/x
  3. Step 3: Cross multiply
    146,038.20x = 219,032.46 × 40,832.70
  4. Step 4: Simplify right side
    146,038.20x = 8,943,686,729.44
  5. Step 5: Solve for x
    x = 8,943,686,729.44/146,038.20
  6. Step 6: Final answer
    x = 61,242.10

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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.