Home / 170,013.50-254,810.03-85,797.75

Finding the Fourth Proportional to 170,013.50, 254,810.03 and 85,797.75

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Solution

The fourth proportional to 170,013.50, 254,810.03 and 85,797.75 is: 128,590.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,013.50 : 254,810.03 = 85,797.75 : x
  2. Step 2: Convert to fraction form
    170,013.50/254,810.03 = 85,797.75/x
  3. Step 3: Cross multiply
    170,013.50x = 254,810.03 × 85,797.75
  4. Step 4: Simplify right side
    170,013.50x = 21,862,126,822.44
  5. Step 5: Solve for x
    x = 21,862,126,822.44/170,013.50
  6. Step 6: Final answer
    x = 128,590.54

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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.