Home / 145,919.08-201,371.40-82,256.87

Finding the Fourth Proportional to 145,919.08, 201,371.40 and 82,256.87

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Solution

The fourth proportional to 145,919.08, 201,371.40 and 82,256.87 is: 113,516.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,919.08 : 201,371.40 = 82,256.87 : x
  2. Step 2: Convert to fraction form
    145,919.08/201,371.40 = 82,256.87/x
  3. Step 3: Cross multiply
    145,919.08x = 201,371.40 × 82,256.87
  4. Step 4: Simplify right side
    145,919.08x = 16,564,180,660.23
  5. Step 5: Solve for x
    x = 16,564,180,660.23/145,919.08
  6. Step 6: Final answer
    x = 113,516.21

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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.