Home / 149,262.49-205,915.67-100,848.84

Finding the Fourth Proportional to 149,262.49, 205,915.67 and 100,848.84

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Solution

The fourth proportional to 149,262.49, 205,915.67 and 100,848.84 is: 139,126.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,262.49 : 205,915.67 = 100,848.84 : x
  2. Step 2: Convert to fraction form
    149,262.49/205,915.67 = 100,848.84/x
  3. Step 3: Cross multiply
    149,262.49x = 205,915.67 × 100,848.84
  4. Step 4: Simplify right side
    149,262.49x = 20,766,354,923.50
  5. Step 5: Solve for x
    x = 20,766,354,923.50/149,262.49
  6. Step 6: Final answer
    x = 139,126.41

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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.