Home / 154,950.22-213,902.13-119,127.70

Finding the Fourth Proportional to 154,950.22, 213,902.13 and 119,127.70

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Solution

The fourth proportional to 154,950.22, 213,902.13 and 119,127.70 is: 164,450.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,950.22 : 213,902.13 = 119,127.70 : x
  2. Step 2: Convert to fraction form
    154,950.22/213,902.13 = 119,127.70/x
  3. Step 3: Cross multiply
    154,950.22x = 213,902.13 × 119,127.70
  4. Step 4: Simplify right side
    154,950.22x = 25,481,668,772.00
  5. Step 5: Solve for x
    x = 25,481,668,772.00/154,950.22
  6. Step 6: Final answer
    x = 164,450.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.