Home / 130,246.20-195,077.70-106,918.20

Finding the Fourth Proportional to 130,246.20, 195,077.70 and 106,918.20

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Solution

The fourth proportional to 130,246.20, 195,077.70 and 106,918.20 is: 160,137.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,246.20 : 195,077.70 = 106,918.20 : x
  2. Step 2: Convert to fraction form
    130,246.20/195,077.70 = 106,918.20/x
  3. Step 3: Cross multiply
    130,246.20x = 195,077.70 × 106,918.20
  4. Step 4: Simplify right side
    130,246.20x = 20,857,356,544.14
  5. Step 5: Solve for x
    x = 20,857,356,544.14/130,246.20
  6. Step 6: Final answer
    x = 160,137.93

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1.5x scale

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.