Home / 180,907.07-271,364.72-68,640.17

Finding the Fourth Proportional to 180,907.07, 271,364.72 and 68,640.17

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Solution

The fourth proportional to 180,907.07, 271,364.72 and 68,640.17 is: 102,961.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,907.07 : 271,364.72 = 68,640.17 : x
  2. Step 2: Convert to fraction form
    180,907.07/271,364.72 = 68,640.17/x
  3. Step 3: Cross multiply
    180,907.07x = 271,364.72 × 68,640.17
  4. Step 4: Simplify right side
    180,907.07x = 18,626,518,812.78
  5. Step 5: Solve for x
    x = 18,626,518,812.78/180,907.07
  6. Step 6: Final answer
    x = 102,961.81

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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.