Home / 109,006.64-163,510.03-30,120.94

Finding the Fourth Proportional to 109,006.64, 163,510.03 and 30,120.94

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Solution

The fourth proportional to 109,006.64, 163,510.03 and 30,120.94 is: 45,181.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,006.64 : 163,510.03 = 30,120.94 : x
  2. Step 2: Convert to fraction form
    109,006.64/163,510.03 = 30,120.94/x
  3. Step 3: Cross multiply
    109,006.64x = 163,510.03 × 30,120.94
  4. Step 4: Simplify right side
    109,006.64x = 4,925,074,834.87
  5. Step 5: Solve for x
    x = 4,925,074,834.87/109,006.64
  6. Step 6: Final answer
    x = 45,181.42

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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.