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Finding the Fourth Proportional to 120,005.91, 180,006.60 and 35,823.18

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Solution

The fourth proportional to 120,005.91, 180,006.60 and 35,823.18 is: 53,734.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,005.91 : 180,006.60 = 35,823.18 : x
  2. Step 2: Convert to fraction form
    120,005.91/180,006.60 = 35,823.18/x
  3. Step 3: Cross multiply
    120,005.91x = 180,006.60 × 35,823.18
  4. Step 4: Simplify right side
    120,005.91x = 6,448,408,832.99
  5. Step 5: Solve for x
    x = 6,448,408,832.99/120,005.91
  6. Step 6: Final answer
    x = 53,734.09

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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.