Home / 150,172.67-207,148.23-99,185.46

Finding the Fourth Proportional to 150,172.67, 207,148.23 and 99,185.46

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Solution

The fourth proportional to 150,172.67, 207,148.23 and 99,185.46 is: 136,816.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,172.67 : 207,148.23 = 99,185.46 : x
  2. Step 2: Convert to fraction form
    150,172.67/207,148.23 = 99,185.46/x
  3. Step 3: Cross multiply
    150,172.67x = 207,148.23 × 99,185.46
  4. Step 4: Simplify right side
    150,172.67x = 20,546,092,480.74
  5. Step 5: Solve for x
    x = 20,546,092,480.74/150,172.67
  6. Step 6: Final answer
    x = 136,816.46

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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.