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Finding the Fourth Proportional to 106,458.30, 159,626.70 and 39,900.60

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Solution

The fourth proportional to 106,458.30, 159,626.70 and 39,900.60 is: 59,828.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,458.30 : 159,626.70 = 39,900.60 : x
  2. Step 2: Convert to fraction form
    106,458.30/159,626.70 = 39,900.60/x
  3. Step 3: Cross multiply
    106,458.30x = 159,626.70 × 39,900.60
  4. Step 4: Simplify right side
    106,458.30x = 6,369,201,106.02
  5. Step 5: Solve for x
    x = 6,369,201,106.02/106,458.30
  6. Step 6: Final answer
    x = 59,828.13

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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.