Home / 150,554.40-225,831.60-91,408.20

Finding the Fourth Proportional to 150,554.40, 225,831.60 and 91,408.20

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Solution

The fourth proportional to 150,554.40, 225,831.60 and 91,408.20 is: 137,112.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,554.40 : 225,831.60 = 91,408.20 : x
  2. Step 2: Convert to fraction form
    150,554.40/225,831.60 = 91,408.20/x
  3. Step 3: Cross multiply
    150,554.40x = 225,831.60 × 91,408.20
  4. Step 4: Simplify right side
    150,554.40x = 20,642,860,059.12
  5. Step 5: Solve for x
    x = 20,642,860,059.12/150,554.40
  6. Step 6: Final answer
    x = 137,112.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.