Home / 145,827.28-201,239.24-82,171.28

Finding the Fourth Proportional to 145,827.28, 201,239.24 and 82,171.28

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Solution

The fourth proportional to 145,827.28, 201,239.24 and 82,171.28 is: 113,395.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,827.28 : 201,239.24 = 82,171.28 : x
  2. Step 2: Convert to fraction form
    145,827.28/201,239.24 = 82,171.28/x
  3. Step 3: Cross multiply
    145,827.28x = 201,239.24 × 82,171.28
  4. Step 4: Simplify right side
    145,827.28x = 16,536,085,937.03
  5. Step 5: Solve for x
    x = 16,536,085,937.03/145,827.28
  6. Step 6: Final answer
    x = 113,395.01

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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.