Home / 145,889.28-201,324.42-82,225.80

Finding the Fourth Proportional to 145,889.28, 201,324.42 and 82,225.80

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Solution

The fourth proportional to 145,889.28, 201,324.42 and 82,225.80 is: 113,470.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,889.28 : 201,324.42 = 82,225.80 : x
  2. Step 2: Convert to fraction form
    145,889.28/201,324.42 = 82,225.80/x
  3. Step 3: Cross multiply
    145,889.28x = 201,324.42 × 82,225.80
  4. Step 4: Simplify right side
    145,889.28x = 16,554,061,494.04
  5. Step 5: Solve for x
    x = 16,554,061,494.04/145,889.28
  6. Step 6: Final answer
    x = 113,470.03

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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.