Home / 145,571.02-200,887.59-81,908.82

Finding the Fourth Proportional to 145,571.02, 200,887.59 and 81,908.82

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Solution

The fourth proportional to 145,571.02, 200,887.59 and 81,908.82 is: 113,033.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,571.02 : 200,887.59 = 81,908.82 : x
  2. Step 2: Convert to fraction form
    145,571.02/200,887.59 = 81,908.82/x
  3. Step 3: Cross multiply
    145,571.02x = 200,887.59 × 81,908.82
  4. Step 4: Simplify right side
    145,571.02x = 16,454,465,449.54
  5. Step 5: Solve for x
    x = 16,454,465,449.54/145,571.02
  6. Step 6: Final answer
    x = 113,033.94

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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.