Home / 109,411.81-164,145.38-30,526

Finding the Fourth Proportional to 109,411.81, 164,145.38 and 30,526

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Solution

The fourth proportional to 109,411.81, 164,145.38 and 30,526 is: 45,796.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,411.81 : 164,145.38 = 30,526 : x
  2. Step 2: Convert to fraction form
    109,411.81/164,145.38 = 30,526/x
  3. Step 3: Cross multiply
    109,411.81x = 164,145.38 × 30,526
  4. Step 4: Simplify right side
    109,411.81x = 5,010,701,869.88
  5. Step 5: Solve for x
    x = 5,010,701,869.88/109,411.81
  6. Step 6: Final answer
    x = 45,796.72

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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.