Home / 134,640.64-201,960.96-41,145.60

Finding the Fourth Proportional to 134,640.64, 201,960.96 and 41,145.60

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Solution

The fourth proportional to 134,640.64, 201,960.96 and 41,145.60 is: 61,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,640.64 : 201,960.96 = 41,145.60 : x
  2. Step 2: Convert to fraction form
    134,640.64/201,960.96 = 41,145.60/x
  3. Step 3: Cross multiply
    134,640.64x = 201,960.96 × 41,145.60
  4. Step 4: Simplify right side
    134,640.64x = 8,309,804,875.78
  5. Step 5: Solve for x
    x = 8,309,804,875.78/134,640.64
  6. Step 6: Final answer
    x = 61,718.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.