Home / 170,210.06-255,351.79-84,867.45

Finding the Fourth Proportional to 170,210.06, 255,351.79 and 84,867.45

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Solution

The fourth proportional to 170,210.06, 255,351.79 and 84,867.45 is: 127,319.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,210.06 : 255,351.79 = 84,867.45 : x
  2. Step 2: Convert to fraction form
    170,210.06/255,351.79 = 84,867.45/x
  3. Step 3: Cross multiply
    170,210.06x = 255,351.79 × 84,867.45
  4. Step 4: Simplify right side
    170,210.06x = 21,671,054,418.75
  5. Step 5: Solve for x
    x = 21,671,054,418.75/170,210.06
  6. Step 6: Final answer
    x = 127,319.47

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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.