Home / 208,277.34-312,351.44-75,140.30

Finding the Fourth Proportional to 208,277.34, 312,351.44 and 75,140.30

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Solution

The fourth proportional to 208,277.34, 312,351.44 and 75,140.30 is: 112,687.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,277.34 : 312,351.44 = 75,140.30 : x
  2. Step 2: Convert to fraction form
    208,277.34/312,351.44 = 75,140.30/x
  3. Step 3: Cross multiply
    208,277.34x = 312,351.44 × 75,140.30
  4. Step 4: Simplify right side
    208,277.34x = 23,470,180,907.03
  5. Step 5: Solve for x
    x = 23,470,180,907.03/208,277.34
  6. Step 6: Final answer
    x = 112,687.16

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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.