Home / 200,453.02-276,560.08-136,680.10

Finding the Fourth Proportional to 200,453.02, 276,560.08 and 136,680.10

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Solution

The fourth proportional to 200,453.02, 276,560.08 and 136,680.10 is: 188,574.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,453.02 : 276,560.08 = 136,680.10 : x
  2. Step 2: Convert to fraction form
    200,453.02/276,560.08 = 136,680.10/x
  3. Step 3: Cross multiply
    200,453.02x = 276,560.08 × 136,680.10
  4. Step 4: Simplify right side
    200,453.02x = 37,800,259,390.41
  5. Step 5: Solve for x
    x = 37,800,259,390.41/200,453.02
  6. Step 6: Final answer
    x = 188,574.16

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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.