Home / 216,075.90-298,183.02-125,440.28

Finding the Fourth Proportional to 216,075.90, 298,183.02 and 125,440.28

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Solution

The fourth proportional to 216,075.90, 298,183.02 and 125,440.28 is: 173,106.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,075.90 : 298,183.02 = 125,440.28 : x
  2. Step 2: Convert to fraction form
    216,075.90/298,183.02 = 125,440.28/x
  3. Step 3: Cross multiply
    216,075.90x = 298,183.02 × 125,440.28
  4. Step 4: Simplify right side
    216,075.90x = 37,404,161,382.52
  5. Step 5: Solve for x
    x = 37,404,161,382.52/216,075.90
  6. Step 6: Final answer
    x = 173,106.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.