Home / 120,035.25-180,062.15-35,789.00

Finding the Fourth Proportional to 120,035.25, 180,062.15 and 35,789.00

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Solution

The fourth proportional to 120,035.25, 180,062.15 and 35,789.00 is: 53,686.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,035.25 : 180,062.15 = 35,789.00 : x
  2. Step 2: Convert to fraction form
    120,035.25/180,062.15 = 35,789.00/x
  3. Step 3: Cross multiply
    120,035.25x = 180,062.15 × 35,789.00
  4. Step 4: Simplify right side
    120,035.25x = 6,444,243,207.09
  5. Step 5: Solve for x
    x = 6,444,243,207.09/120,035.25
  6. Step 6: Final answer
    x = 53,686.26

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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.