Home / 170,260.10-255,001.35-100,276.10

Finding the Fourth Proportional to 170,260.10, 255,001.35 and 100,276.10

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Solution

The fourth proportional to 170,260.10, 255,001.35 and 100,276.10 is: 150,185.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,260.10 : 255,001.35 = 100,276.10 : x
  2. Step 2: Convert to fraction form
    170,260.10/255,001.35 = 100,276.10/x
  3. Step 3: Cross multiply
    170,260.10x = 255,001.35 × 100,276.10
  4. Step 4: Simplify right side
    170,260.10x = 25,570,540,872.74
  5. Step 5: Solve for x
    x = 25,570,540,872.74/170,260.10
  6. Step 6: Final answer
    x = 150,185.16

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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.