Home / 145,050.80-217,576.20-82,727.60

Finding the Fourth Proportional to 145,050.80, 217,576.20 and 82,727.60

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Solution

The fourth proportional to 145,050.80, 217,576.20 and 82,727.60 is: 124,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,050.80 : 217,576.20 = 82,727.60 : x
  2. Step 2: Convert to fraction form
    145,050.80/217,576.20 = 82,727.60/x
  3. Step 3: Cross multiply
    145,050.80x = 217,576.20 × 82,727.60
  4. Step 4: Simplify right side
    145,050.80x = 17,999,556,843.12
  5. Step 5: Solve for x
    x = 17,999,556,843.12/145,050.80
  6. Step 6: Final answer
    x = 124,091.40

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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.