Home / 106,139.20-159,203.60-39,574.14

Finding the Fourth Proportional to 106,139.20, 159,203.60 and 39,574.14

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Solution

The fourth proportional to 106,139.20, 159,203.60 and 39,574.14 is: 59,359.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,139.20 : 159,203.60 = 39,574.14 : x
  2. Step 2: Convert to fraction form
    106,139.20/159,203.60 = 39,574.14/x
  3. Step 3: Cross multiply
    106,139.20x = 159,203.60 × 39,574.14
  4. Step 4: Simplify right side
    106,139.20x = 6,300,345,554.90
  5. Step 5: Solve for x
    x = 6,300,345,554.90/106,139.20
  6. Step 6: Final answer
    x = 59,359.27

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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.