Home / 106,348.08-159,558.40-66,858.96

Finding the Fourth Proportional to 106,348.08, 159,558.40 and 66,858.96

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Solution

The fourth proportional to 106,348.08, 159,558.40 and 66,858.96 is: 100,311.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,348.08 : 159,558.40 = 66,858.96 : x
  2. Step 2: Convert to fraction form
    106,348.08/159,558.40 = 66,858.96/x
  3. Step 3: Cross multiply
    106,348.08x = 159,558.40 × 66,858.96
  4. Step 4: Simplify right side
    106,348.08x = 10,667,908,683.26
  5. Step 5: Solve for x
    x = 10,667,908,683.26/106,348.08
  6. Step 6: Final answer
    x = 100,311.25

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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.