Home / 154,367.24-231,393.71-70,187.18

Finding the Fourth Proportional to 154,367.24, 231,393.71 and 70,187.18

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Solution

The fourth proportional to 154,367.24, 231,393.71 and 70,187.18 is: 105,209.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,367.24 : 231,393.71 = 70,187.18 : x
  2. Step 2: Convert to fraction form
    154,367.24/231,393.71 = 70,187.18/x
  3. Step 3: Cross multiply
    154,367.24x = 231,393.71 × 70,187.18
  4. Step 4: Simplify right side
    154,367.24x = 16,240,870,993.14
  5. Step 5: Solve for x
    x = 16,240,870,993.14/154,367.24
  6. Step 6: Final answer
    x = 105,209.31

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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.