Home / 189,899.29-262,126.94-109,358.90

Finding the Fourth Proportional to 189,899.29, 262,126.94 and 109,358.90

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Solution

The fourth proportional to 189,899.29, 262,126.94 and 109,358.90 is: 150,953.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,899.29 : 262,126.94 = 109,358.90 : x
  2. Step 2: Convert to fraction form
    189,899.29/262,126.94 = 109,358.90/x
  3. Step 3: Cross multiply
    189,899.29x = 262,126.94 × 109,358.90
  4. Step 4: Simplify right side
    189,899.29x = 28,665,913,818.77
  5. Step 5: Solve for x
    x = 28,665,913,818.77/189,899.29
  6. Step 6: Final answer
    x = 150,953.24

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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.