Home / 146,172.75-201,718.40-79,104.75

Finding the Fourth Proportional to 146,172.75, 201,718.40 and 79,104.75

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Solution

The fourth proportional to 146,172.75, 201,718.40 and 79,104.75 is: 109,164.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,172.75 : 201,718.40 = 79,104.75 : x
  2. Step 2: Convert to fraction form
    146,172.75/201,718.40 = 79,104.75/x
  3. Step 3: Cross multiply
    146,172.75x = 201,718.40 × 79,104.75
  4. Step 4: Simplify right side
    146,172.75x = 15,956,883,602.40
  5. Step 5: Solve for x
    x = 15,956,883,602.40/146,172.75
  6. Step 6: Final answer
    x = 109,164.56

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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.