Home / 154,977.12-213,861.42-94,538.16

Finding the Fourth Proportional to 154,977.12, 213,861.42 and 94,538.16

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Solution

The fourth proportional to 154,977.12, 213,861.42 and 94,538.16 is: 130,458.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,977.12 : 213,861.42 = 94,538.16 : x
  2. Step 2: Convert to fraction form
    154,977.12/213,861.42 = 94,538.16/x
  3. Step 3: Cross multiply
    154,977.12x = 213,861.42 × 94,538.16
  4. Step 4: Simplify right side
    154,977.12x = 20,218,065,141.79
  5. Step 5: Solve for x
    x = 20,218,065,141.79/154,977.12
  6. Step 6: Final answer
    x = 130,458.39

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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.