Home / 145,945.20-201,401.64-82,283.04

Finding the Fourth Proportional to 145,945.20, 201,401.64 and 82,283.04

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Solution

The fourth proportional to 145,945.20, 201,401.64 and 82,283.04 is: 113,549.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,945.20 : 201,401.64 = 82,283.04 : x
  2. Step 2: Convert to fraction form
    145,945.20/201,401.64 = 82,283.04/x
  3. Step 3: Cross multiply
    145,945.20x = 201,401.64 × 82,283.04
  4. Step 4: Simplify right side
    145,945.20x = 16,571,939,200.19
  5. Step 5: Solve for x
    x = 16,571,939,200.19/145,945.20
  6. Step 6: Final answer
    x = 113,549.05

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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.