Home / 154,005.56-230,446.33-90,855.94

Finding the Fourth Proportional to 154,005.56, 230,446.33 and 90,855.94

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Solution

The fourth proportional to 154,005.56, 230,446.33 and 90,855.94 is: 135,952.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,005.56 : 230,446.33 = 90,855.94 : x
  2. Step 2: Convert to fraction form
    154,005.56/230,446.33 = 90,855.94/x
  3. Step 3: Cross multiply
    154,005.56x = 230,446.33 × 90,855.94
  4. Step 4: Simplify right side
    154,005.56x = 20,937,418,071.60
  5. Step 5: Solve for x
    x = 20,937,418,071.60/154,005.56
  6. Step 6: Final answer
    x = 135,952.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.