Home / 109,869.29-164,804.21-30,983.93

Finding the Fourth Proportional to 109,869.29, 164,804.21 and 30,983.93

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Solution

The fourth proportional to 109,869.29, 164,804.21 and 30,983.93 is: 46,475.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,869.29 : 164,804.21 = 30,983.93 : x
  2. Step 2: Convert to fraction form
    109,869.29/164,804.21 = 30,983.93/x
  3. Step 3: Cross multiply
    109,869.29x = 164,804.21 × 30,983.93
  4. Step 4: Simplify right side
    109,869.29x = 5,106,282,106.35
  5. Step 5: Solve for x
    x = 5,106,282,106.35/109,869.29
  6. Step 6: Final answer
    x = 46,475.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.