Home / 145,899.28-201,338.22-82,235.80

Finding the Fourth Proportional to 145,899.28, 201,338.22 and 82,235.80

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Solution

The fourth proportional to 145,899.28, 201,338.22 and 82,235.80 is: 113,483.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,899.28 : 201,338.22 = 82,235.80 : x
  2. Step 2: Convert to fraction form
    145,899.28/201,338.22 = 82,235.80/x
  3. Step 3: Cross multiply
    145,899.28x = 201,338.22 × 82,235.80
  4. Step 4: Simplify right side
    145,899.28x = 16,557,209,592.28
  5. Step 5: Solve for x
    x = 16,557,209,592.28/145,899.28
  6. Step 6: Final answer
    x = 113,483.83

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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.