Home / 207,647.07-286,555.64-122,763.39

Finding the Fourth Proportional to 207,647.07, 286,555.64 and 122,763.39

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Solution

The fourth proportional to 207,647.07, 286,555.64 and 122,763.39 is: 169,415.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,647.07 : 286,555.64 = 122,763.39 : x
  2. Step 2: Convert to fraction form
    207,647.07/286,555.64 = 122,763.39/x
  3. Step 3: Cross multiply
    207,647.07x = 286,555.64 × 122,763.39
  4. Step 4: Simplify right side
    207,647.07x = 35,178,541,176.20
  5. Step 5: Solve for x
    x = 35,178,541,176.20/207,647.07
  6. Step 6: Final answer
    x = 169,415.06

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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.