Home / 202,728.26-279,740.58-112,071.98

Finding the Fourth Proportional to 202,728.26, 279,740.58 and 112,071.98

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Solution

The fourth proportional to 202,728.26, 279,740.58 and 112,071.98 is: 154,645.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,728.26 : 279,740.58 = 112,071.98 : x
  2. Step 2: Convert to fraction form
    202,728.26/279,740.58 = 112,071.98/x
  3. Step 3: Cross multiply
    202,728.26x = 279,740.58 × 112,071.98
  4. Step 4: Simplify right side
    202,728.26x = 31,351,080,686.95
  5. Step 5: Solve for x
    x = 31,351,080,686.95/202,728.26
  6. Step 6: Final answer
    x = 154,645.83

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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.