Home / 106,869.60-160,304.40-102,787.20

Finding the Fourth Proportional to 106,869.60, 160,304.40 and 102,787.20

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Solution

The fourth proportional to 106,869.60, 160,304.40 and 102,787.20 is: 154,180.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,869.60 : 160,304.40 = 102,787.20 : x
  2. Step 2: Convert to fraction form
    106,869.60/160,304.40 = 102,787.20/x
  3. Step 3: Cross multiply
    106,869.60x = 160,304.40 × 102,787.20
  4. Step 4: Simplify right side
    106,869.60x = 16,477,240,423.68
  5. Step 5: Solve for x
    x = 16,477,240,423.68/106,869.60
  6. Step 6: Final answer
    x = 154,180.80

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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.