Home / 145,975.91-201,412.28-82,301.40

Finding the Fourth Proportional to 145,975.91, 201,412.28 and 82,301.40

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Solution

The fourth proportional to 145,975.91, 201,412.28 and 82,301.40 is: 113,556.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,975.91 : 201,412.28 = 82,301.40 : x
  2. Step 2: Convert to fraction form
    145,975.91/201,412.28 = 82,301.40/x
  3. Step 3: Cross multiply
    145,975.91x = 201,412.28 × 82,301.40
  4. Step 4: Simplify right side
    145,975.91x = 16,576,512,826.95
  5. Step 5: Solve for x
    x = 16,576,512,826.95/145,975.91
  6. Step 6: Final answer
    x = 113,556.50

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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.