Home / 207,836.69-286,815.94-112,343.15

Finding the Fourth Proportional to 207,836.69, 286,815.94 and 112,343.15

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Solution

The fourth proportional to 207,836.69, 286,815.94 and 112,343.15 is: 155,034.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,836.69 : 286,815.94 = 112,343.15 : x
  2. Step 2: Convert to fraction form
    207,836.69/286,815.94 = 112,343.15/x
  3. Step 3: Cross multiply
    207,836.69x = 286,815.94 × 112,343.15
  4. Step 4: Simplify right side
    207,836.69x = 32,221,806,605.99
  5. Step 5: Solve for x
    x = 32,221,806,605.99/207,836.69
  6. Step 6: Final answer
    x = 155,034.26

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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.