Home / 100,968.20-151,450.58-29,890.53

Finding the Fourth Proportional to 100,968.20, 151,450.58 and 29,890.53

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Solution

The fourth proportional to 100,968.20, 151,450.58 and 29,890.53 is: 44,835.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,968.20 : 151,450.58 = 29,890.53 : x
  2. Step 2: Convert to fraction form
    100,968.20/151,450.58 = 29,890.53/x
  3. Step 3: Cross multiply
    100,968.20x = 151,450.58 × 29,890.53
  4. Step 4: Simplify right side
    100,968.20x = 4,526,937,347.75
  5. Step 5: Solve for x
    x = 4,526,937,347.75/100,968.20
  6. Step 6: Final answer
    x = 44,835.28

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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.