Home / 154,748.60-213,537.06-91,082.60

Finding the Fourth Proportional to 154,748.60, 213,537.06 and 91,082.60

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Solution

The fourth proportional to 154,748.60, 213,537.06 and 91,082.60 is: 125,684.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,748.60 : 213,537.06 = 91,082.60 : x
  2. Step 2: Convert to fraction form
    154,748.60/213,537.06 = 91,082.60/x
  3. Step 3: Cross multiply
    154,748.60x = 213,537.06 × 91,082.60
  4. Step 4: Simplify right side
    154,748.60x = 19,449,510,621.16
  5. Step 5: Solve for x
    x = 19,449,510,621.16/154,748.60
  6. Step 6: Final answer
    x = 125,684.57

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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.