Home / 145,757.36-201,110-82,095.12

Finding the Fourth Proportional to 145,757.36, 201,110 and 82,095.12

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Solution

The fourth proportional to 145,757.36, 201,110 and 82,095.12 is: 113,271.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,757.36 : 201,110 = 82,095.12 : x
  2. Step 2: Convert to fraction form
    145,757.36/201,110 = 82,095.12/x
  3. Step 3: Cross multiply
    145,757.36x = 201,110 × 82,095.12
  4. Step 4: Simplify right side
    145,757.36x = 16,510,149,583.20
  5. Step 5: Solve for x
    x = 16,510,149,583.20/145,757.36
  6. Step 6: Final answer
    x = 113,271.46

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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.