Home / 145,942.93-201,401.49-82,280.56

Finding the Fourth Proportional to 145,942.93, 201,401.49 and 82,280.56

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Solution

The fourth proportional to 145,942.93, 201,401.49 and 82,280.56 is: 113,547.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,942.93 : 201,401.49 = 82,280.56 : x
  2. Step 2: Convert to fraction form
    145,942.93/201,401.49 = 82,280.56/x
  3. Step 3: Cross multiply
    145,942.93x = 201,401.49 × 82,280.56
  4. Step 4: Simplify right side
    145,942.93x = 16,571,427,382.03
  5. Step 5: Solve for x
    x = 16,571,427,382.03/145,942.93
  6. Step 6: Final answer
    x = 113,547.31

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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.