Home / 154,150.13-212,668.11-93,698.72

Finding the Fourth Proportional to 154,150.13, 212,668.11 and 93,698.72

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Solution

The fourth proportional to 154,150.13, 212,668.11 and 93,698.72 is: 129,268.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,150.13 : 212,668.11 = 93,698.72 : x
  2. Step 2: Convert to fraction form
    154,150.13/212,668.11 = 93,698.72/x
  3. Step 3: Cross multiply
    154,150.13x = 212,668.11 × 93,698.72
  4. Step 4: Simplify right side
    154,150.13x = 19,926,728,628.48
  5. Step 5: Solve for x
    x = 19,926,728,628.48/154,150.13
  6. Step 6: Final answer
    x = 129,268.33

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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.