Home / 145,977.18-201,454.20-82,313.64

Finding the Fourth Proportional to 145,977.18, 201,454.20 and 82,313.64

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Solution

The fourth proportional to 145,977.18, 201,454.20 and 82,313.64 is: 113,596.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,977.18 : 201,454.20 = 82,313.64 : x
  2. Step 2: Convert to fraction form
    145,977.18/201,454.20 = 82,313.64/x
  3. Step 3: Cross multiply
    145,977.18x = 201,454.20 × 82,313.64
  4. Step 4: Simplify right side
    145,977.18x = 16,582,428,495.29
  5. Step 5: Solve for x
    x = 16,582,428,495.29/145,977.18
  6. Step 6: Final answer
    x = 113,596.03

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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.