Home / 140,004.97-210,075.03-68,889.04

Finding the Fourth Proportional to 140,004.97, 210,075.03 and 68,889.04

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Solution

The fourth proportional to 140,004.97, 210,075.03 and 68,889.04 is: 103,366.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,004.97 : 210,075.03 = 68,889.04 : x
  2. Step 2: Convert to fraction form
    140,004.97/210,075.03 = 68,889.04/x
  3. Step 3: Cross multiply
    140,004.97x = 210,075.03 × 68,889.04
  4. Step 4: Simplify right side
    140,004.97x = 14,471,866,619.48
  5. Step 5: Solve for x
    x = 14,471,866,619.48/140,004.97
  6. Step 6: Final answer
    x = 103,366.81

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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.