Home / 109,868.22-164,787.75-30,988.80

Finding the Fourth Proportional to 109,868.22, 164,787.75 and 30,988.80

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Solution

The fourth proportional to 109,868.22, 164,787.75 and 30,988.80 is: 46,479.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,868.22 : 164,787.75 = 30,988.80 : x
  2. Step 2: Convert to fraction form
    109,868.22/164,787.75 = 30,988.80/x
  3. Step 3: Cross multiply
    109,868.22x = 164,787.75 × 30,988.80
  4. Step 4: Simplify right side
    109,868.22x = 5,106,574,627.20
  5. Step 5: Solve for x
    x = 5,106,574,627.20/109,868.22
  6. Step 6: Final answer
    x = 46,479.09

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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.