Home / 103,285.21-154,929.51-32,209.75

Finding the Fourth Proportional to 103,285.21, 154,929.51 and 32,209.75

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Solution

The fourth proportional to 103,285.21, 154,929.51 and 32,209.75 is: 48,315.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,285.21 : 154,929.51 = 32,209.75 : x
  2. Step 2: Convert to fraction form
    103,285.21/154,929.51 = 32,209.75/x
  3. Step 3: Cross multiply
    103,285.21x = 154,929.51 × 32,209.75
  4. Step 4: Simplify right side
    103,285.21x = 4,990,240,784.72
  5. Step 5: Solve for x
    x = 4,990,240,784.72/103,285.21
  6. Step 6: Final answer
    x = 48,315.15

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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.