Home / 145,760.76-201,144.60-82,104.48

Finding the Fourth Proportional to 145,760.76, 201,144.60 and 82,104.48

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Solution

The fourth proportional to 145,760.76, 201,144.60 and 82,104.48 is: 113,301.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,760.76 : 201,144.60 = 82,104.48 : x
  2. Step 2: Convert to fraction form
    145,760.76/201,144.60 = 82,104.48/x
  3. Step 3: Cross multiply
    145,760.76x = 201,144.60 × 82,104.48
  4. Step 4: Simplify right side
    145,760.76x = 16,514,872,787.81
  5. Step 5: Solve for x
    x = 16,514,872,787.81/145,760.76
  6. Step 6: Final answer
    x = 113,301.23

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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.