Home / 114,015.39-170,391.88-84,090.55

Finding the Fourth Proportional to 114,015.39, 170,391.88 and 84,090.55

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Solution

The fourth proportional to 114,015.39, 170,391.88 and 84,090.55 is: 125,670.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,015.39 : 170,391.88 = 84,090.55 : x
  2. Step 2: Convert to fraction form
    114,015.39/170,391.88 = 84,090.55/x
  3. Step 3: Cross multiply
    114,015.39x = 170,391.88 × 84,090.55
  4. Step 4: Simplify right side
    114,015.39x = 14,328,345,632.32
  5. Step 5: Solve for x
    x = 14,328,345,632.32/114,015.39
  6. Step 6: Final answer
    x = 125,670.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.