Home / 120,244.89-180,408.69-53,730.93

Finding the Fourth Proportional to 120,244.89, 180,408.69 and 53,730.93

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Solution

The fourth proportional to 120,244.89, 180,408.69 and 53,730.93 is: 80,614.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,244.89 : 180,408.69 = 53,730.93 : x
  2. Step 2: Convert to fraction form
    120,244.89/180,408.69 = 53,730.93/x
  3. Step 3: Cross multiply
    120,244.89x = 180,408.69 × 53,730.93
  4. Step 4: Simplify right side
    120,244.89x = 9,693,526,693.78
  5. Step 5: Solve for x
    x = 9,693,526,693.78/120,244.89
  6. Step 6: Final answer
    x = 80,614.87

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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.