Home / 134,470.20-201,705.30-40,980.60

Finding the Fourth Proportional to 134,470.20, 201,705.30 and 40,980.60

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Solution

The fourth proportional to 134,470.20, 201,705.30 and 40,980.60 is: 61,470.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,470.20 : 201,705.30 = 40,980.60 : x
  2. Step 2: Convert to fraction form
    134,470.20/201,705.30 = 40,980.60/x
  3. Step 3: Cross multiply
    134,470.20x = 201,705.30 × 40,980.60
  4. Step 4: Simplify right side
    134,470.20x = 8,266,004,217.18
  5. Step 5: Solve for x
    x = 8,266,004,217.18/134,470.20
  6. Step 6: Final answer
    x = 61,470.90

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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.