Home / 199,330.37-275,070.83-108,686.51

Finding the Fourth Proportional to 199,330.37, 275,070.83 and 108,686.51

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Solution

The fourth proportional to 199,330.37, 275,070.83 and 108,686.51 is: 149,984.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,330.37 : 275,070.83 = 108,686.51 : x
  2. Step 2: Convert to fraction form
    199,330.37/275,070.83 = 108,686.51/x
  3. Step 3: Cross multiply
    199,330.37x = 275,070.83 × 108,686.51
  4. Step 4: Simplify right side
    199,330.37x = 29,896,486,596.72
  5. Step 5: Solve for x
    x = 29,896,486,596.72/199,330.37
  6. Step 6: Final answer
    x = 149,984.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.