Home / 189,899.63-262,050.89-103,841.54

Finding the Fourth Proportional to 189,899.63, 262,050.89 and 103,841.54

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Solution

The fourth proportional to 189,899.63, 262,050.89 and 103,841.54 is: 143,295.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,899.63 : 262,050.89 = 103,841.54 : x
  2. Step 2: Convert to fraction form
    189,899.63/262,050.89 = 103,841.54/x
  3. Step 3: Cross multiply
    189,899.63x = 262,050.89 × 103,841.54
  4. Step 4: Simplify right side
    189,899.63x = 27,211,766,146.51
  5. Step 5: Solve for x
    x = 27,211,766,146.51/189,899.63
  6. Step 6: Final answer
    x = 143,295.52

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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.