Home / 154,975.12-213,858.66-94,536.16

Finding the Fourth Proportional to 154,975.12, 213,858.66 and 94,536.16

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Solution

The fourth proportional to 154,975.12, 213,858.66 and 94,536.16 is: 130,455.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,975.12 : 213,858.66 = 94,536.16 : x
  2. Step 2: Convert to fraction form
    154,975.12/213,858.66 = 94,536.16/x
  3. Step 3: Cross multiply
    154,975.12x = 213,858.66 × 94,536.16
  4. Step 4: Simplify right side
    154,975.12x = 20,217,376,499.15
  5. Step 5: Solve for x
    x = 20,217,376,499.15/154,975.12
  6. Step 6: Final answer
    x = 130,455.63

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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.