Home / 154,017.15-231,022.49-70,911.15

Finding the Fourth Proportional to 154,017.15, 231,022.49 and 70,911.15

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Solution

The fourth proportional to 154,017.15, 231,022.49 and 70,911.15 is: 106,365.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,017.15 : 231,022.49 = 70,911.15 : x
  2. Step 2: Convert to fraction form
    154,017.15/231,022.49 = 70,911.15/x
  3. Step 3: Cross multiply
    154,017.15x = 231,022.49 × 70,911.15
  4. Step 4: Simplify right side
    154,017.15x = 16,382,070,087.21
  5. Step 5: Solve for x
    x = 16,382,070,087.21/154,017.15
  6. Step 6: Final answer
    x = 106,365.23

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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.