Home / 170,085.12-255,155.16-51,728.63

Finding the Fourth Proportional to 170,085.12, 255,155.16 and 51,728.63

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Solution

The fourth proportional to 170,085.12, 255,155.16 and 51,728.63 is: 77,601.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,085.12 : 255,155.16 = 51,728.63 : x
  2. Step 2: Convert to fraction form
    170,085.12/255,155.16 = 51,728.63/x
  3. Step 3: Cross multiply
    170,085.12x = 255,155.16 × 51,728.63
  4. Step 4: Simplify right side
    170,085.12x = 13,198,825,782.44
  5. Step 5: Solve for x
    x = 13,198,825,782.44/170,085.12
  6. Step 6: Final answer
    x = 77,601.30

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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.