Home / 362,629.80-543,815.10-125,980.20

Finding the Fourth Proportional to 362,629.80, 543,815.10 and 125,980.20

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Solution

The fourth proportional to 362,629.80, 543,815.10 and 125,980.20 is: 188,925.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,629.80 : 543,815.10 = 125,980.20 : x
  2. Step 2: Convert to fraction form
    362,629.80/543,815.10 = 125,980.20/x
  3. Step 3: Cross multiply
    362,629.80x = 543,815.10 × 125,980.20
  4. Step 4: Simplify right side
    362,629.80x = 68,509,935,061.02
  5. Step 5: Solve for x
    x = 68,509,935,061.02/362,629.80
  6. Step 6: Final answer
    x = 188,925.28

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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.