Home / 145,943.06-201,401.07-82,280.39

Finding the Fourth Proportional to 145,943.06, 201,401.07 and 82,280.39

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Solution

The fourth proportional to 145,943.06, 201,401.07 and 82,280.39 is: 113,546.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,943.06 : 201,401.07 = 82,280.39 : x
  2. Step 2: Convert to fraction form
    145,943.06/201,401.07 = 82,280.39/x
  3. Step 3: Cross multiply
    145,943.06x = 201,401.07 × 82,280.39
  4. Step 4: Simplify right side
    145,943.06x = 16,571,357,579.01
  5. Step 5: Solve for x
    x = 16,571,357,579.01/145,943.06
  6. Step 6: Final answer
    x = 113,546.74

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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.