Home / 145,943.70-201,399.54-82,281.48

Finding the Fourth Proportional to 145,943.70, 201,399.54 and 82,281.48

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Solution

The fourth proportional to 145,943.70, 201,399.54 and 82,281.48 is: 113,546.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,943.70 : 201,399.54 = 82,281.48 : x
  2. Step 2: Convert to fraction form
    145,943.70/201,399.54 = 82,281.48/x
  3. Step 3: Cross multiply
    145,943.70x = 201,399.54 × 82,281.48
  4. Step 4: Simplify right side
    145,943.70x = 16,571,452,222.52
  5. Step 5: Solve for x
    x = 16,571,452,222.52/145,943.70
  6. Step 6: Final answer
    x = 113,546.88

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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.