Home / 101,289.08-151,907.70-47,928.44

Finding the Fourth Proportional to 101,289.08, 151,907.70 and 47,928.44

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Solution

The fourth proportional to 101,289.08, 151,907.70 and 47,928.44 is: 71,880.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,289.08 : 151,907.70 = 47,928.44 : x
  2. Step 2: Convert to fraction form
    101,289.08/151,907.70 = 47,928.44/x
  3. Step 3: Cross multiply
    101,289.08x = 151,907.70 × 47,928.44
  4. Step 4: Simplify right side
    101,289.08x = 7,280,699,084.99
  5. Step 5: Solve for x
    x = 7,280,699,084.99/101,289.08
  6. Step 6: Final answer
    x = 71,880.40

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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.