Home / 134,720.80-201,951.60-104,718.40

Finding the Fourth Proportional to 134,720.80, 201,951.60 and 104,718.40

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Solution

The fourth proportional to 134,720.80, 201,951.60 and 104,718.40 is: 156,976.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,720.80 : 201,951.60 = 104,718.40 : x
  2. Step 2: Convert to fraction form
    134,720.80/201,951.60 = 104,718.40/x
  3. Step 3: Cross multiply
    134,720.80x = 201,951.60 × 104,718.40
  4. Step 4: Simplify right side
    134,720.80x = 21,148,048,429.44
  5. Step 5: Solve for x
    x = 21,148,048,429.44/134,720.80
  6. Step 6: Final answer
    x = 156,976.86

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1.5x scale

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.