Home / 106,428.20-159,663.90-36,314.60

Finding the Fourth Proportional to 106,428.20, 159,663.90 and 36,314.60

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Solution

The fourth proportional to 106,428.20, 159,663.90 and 36,314.60 is: 54,479.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,428.20 : 159,663.90 = 36,314.60 : x
  2. Step 2: Convert to fraction form
    106,428.20/159,663.90 = 36,314.60/x
  3. Step 3: Cross multiply
    106,428.20x = 159,663.90 × 36,314.60
  4. Step 4: Simplify right side
    106,428.20x = 5,798,130,662.94
  5. Step 5: Solve for x
    x = 5,798,130,662.94/106,428.20
  6. Step 6: Final answer
    x = 54,479.27

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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.