Home / 162,106.20-242,940.60-115,304.40

Finding the Fourth Proportional to 162,106.20, 242,940.60 and 115,304.40

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Solution

The fourth proportional to 162,106.20, 242,940.60 and 115,304.40 is: 172,801.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,106.20 : 242,940.60 = 115,304.40 : x
  2. Step 2: Convert to fraction form
    162,106.20/242,940.60 = 115,304.40/x
  3. Step 3: Cross multiply
    162,106.20x = 242,940.60 × 115,304.40
  4. Step 4: Simplify right side
    162,106.20x = 28,012,120,118.64
  5. Step 5: Solve for x
    x = 28,012,120,118.64/162,106.20
  6. Step 6: Final answer
    x = 172,801.04

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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.