Home / 145,945.92-201,405.64-82,283.56

Finding the Fourth Proportional to 145,945.92, 201,405.64 and 82,283.56

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Solution

The fourth proportional to 145,945.92, 201,405.64 and 82,283.56 is: 113,551.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,945.92 : 201,405.64 = 82,283.56 : x
  2. Step 2: Convert to fraction form
    145,945.92/201,405.64 = 82,283.56/x
  3. Step 3: Cross multiply
    145,945.92x = 201,405.64 × 82,283.56
  4. Step 4: Simplify right side
    145,945.92x = 16,572,373,063.28
  5. Step 5: Solve for x
    x = 16,572,373,063.28/145,945.92
  6. Step 6: Final answer
    x = 113,551.47

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1.5x scale

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.