Home / 149,245.74-205,954.38-88,802.55

Finding the Fourth Proportional to 149,245.74, 205,954.38 and 88,802.55

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Solution

The fourth proportional to 149,245.74, 205,954.38 and 88,802.55 is: 122,544.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,245.74 : 205,954.38 = 88,802.55 : x
  2. Step 2: Convert to fraction form
    149,245.74/205,954.38 = 88,802.55/x
  3. Step 3: Cross multiply
    149,245.74x = 205,954.38 × 88,802.55
  4. Step 4: Simplify right side
    149,245.74x = 18,289,274,127.67
  5. Step 5: Solve for x
    x = 18,289,274,127.67/149,245.74
  6. Step 6: Final answer
    x = 122,544.70

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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.