Home / 106,339.42-146,758.74-79,435.22

Finding the Fourth Proportional to 106,339.42, 146,758.74 and 79,435.22

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Solution

The fourth proportional to 106,339.42, 146,758.74 and 79,435.22 is: 109,628.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,339.42 : 146,758.74 = 79,435.22 : x
  2. Step 2: Convert to fraction form
    106,339.42/146,758.74 = 79,435.22/x
  3. Step 3: Cross multiply
    106,339.42x = 146,758.74 × 79,435.22
  4. Step 4: Simplify right side
    106,339.42x = 11,657,812,615.37
  5. Step 5: Solve for x
    x = 11,657,812,615.37/106,339.42
  6. Step 6: Final answer
    x = 109,628.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.