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Finding the Fourth Proportional to 120,003.65, 180,005.48 and 35,763.65

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Solution

The fourth proportional to 120,003.65, 180,005.48 and 35,763.65 is: 53,645.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,003.65 : 180,005.48 = 35,763.65 : x
  2. Step 2: Convert to fraction form
    120,003.65/180,005.48 = 35,763.65/x
  3. Step 3: Cross multiply
    120,003.65x = 180,005.48 × 35,763.65
  4. Step 4: Simplify right side
    120,003.65x = 6,437,652,805.98
  5. Step 5: Solve for x
    x = 6,437,652,805.98/120,003.65
  6. Step 6: Final answer
    x = 53,645.48

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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.