Home / 159,623.40-239,435.10-103,636.20

Finding the Fourth Proportional to 159,623.40, 239,435.10 and 103,636.20

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Solution

The fourth proportional to 159,623.40, 239,435.10 and 103,636.20 is: 155,454.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,623.40 : 239,435.10 = 103,636.20 : x
  2. Step 2: Convert to fraction form
    159,623.40/239,435.10 = 103,636.20/x
  3. Step 3: Cross multiply
    159,623.40x = 239,435.10 × 103,636.20
  4. Step 4: Simplify right side
    159,623.40x = 24,814,143,910.62
  5. Step 5: Solve for x
    x = 24,814,143,910.62/159,623.40
  6. Step 6: Final answer
    x = 155,454.30

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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.