Home / 98,704.26-136,211.49-53,382.30

Finding the Fourth Proportional to 98,704.26, 136,211.49 and 53,382.30

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Solution

The fourth proportional to 98,704.26, 136,211.49 and 53,382.30 is: 73,667.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,704.26 : 136,211.49 = 53,382.30 : x
  2. Step 2: Convert to fraction form
    98,704.26/136,211.49 = 53,382.30/x
  3. Step 3: Cross multiply
    98,704.26x = 136,211.49 × 53,382.30
  4. Step 4: Simplify right side
    98,704.26x = 7,271,282,622.63
  5. Step 5: Solve for x
    x = 7,271,282,622.63/98,704.26
  6. Step 6: Final answer
    x = 73,667.36

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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.