Home / 102,766.10-154,146.99-47,362.10

Finding the Fourth Proportional to 102,766.10, 154,146.99 and 47,362.10

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Solution

The fourth proportional to 102,766.10, 154,146.99 and 47,362.10 is: 71,042.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,766.10 : 154,146.99 = 47,362.10 : x
  2. Step 2: Convert to fraction form
    102,766.10/154,146.99 = 47,362.10/x
  3. Step 3: Cross multiply
    102,766.10x = 154,146.99 × 47,362.10
  4. Step 4: Simplify right side
    102,766.10x = 7,300,725,155.08
  5. Step 5: Solve for x
    x = 7,300,725,155.08/102,766.10
  6. Step 6: Final answer
    x = 71,042.15

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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.