Home / 150,129.25-207,172.28-89,733.22

Finding the Fourth Proportional to 150,129.25, 207,172.28 and 89,733.22

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Solution

The fourth proportional to 150,129.25, 207,172.28 and 89,733.22 is: 123,828.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,129.25 : 207,172.28 = 89,733.22 : x
  2. Step 2: Convert to fraction form
    150,129.25/207,172.28 = 89,733.22/x
  3. Step 3: Cross multiply
    150,129.25x = 207,172.28 × 89,733.22
  4. Step 4: Simplify right side
    150,129.25x = 18,590,235,485.54
  5. Step 5: Solve for x
    x = 18,590,235,485.54/150,129.25
  6. Step 6: Final answer
    x = 123,828.21

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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.