Home / 120,035.10-180,062-35,788.83

Finding the Fourth Proportional to 120,035.10, 180,062 and 35,788.83

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Solution

The fourth proportional to 120,035.10, 180,062 and 35,788.83 is: 53,686.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,035.10 : 180,062 = 35,788.83 : x
  2. Step 2: Convert to fraction form
    120,035.10/180,062 = 35,788.83/x
  3. Step 3: Cross multiply
    120,035.10x = 180,062 × 35,788.83
  4. Step 4: Simplify right side
    120,035.10x = 6,444,208,307.46
  5. Step 5: Solve for x
    x = 6,444,208,307.46/120,035.10
  6. Step 6: Final answer
    x = 53,686.03

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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.