Home / 154,322.94-231,506.58-47,715.21

Finding the Fourth Proportional to 154,322.94, 231,506.58 and 47,715.21

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Solution

The fourth proportional to 154,322.94, 231,506.58 and 47,715.21 is: 71,579.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,322.94 : 231,506.58 = 47,715.21 : x
  2. Step 2: Convert to fraction form
    154,322.94/231,506.58 = 47,715.21/x
  3. Step 3: Cross multiply
    154,322.94x = 231,506.58 × 47,715.21
  4. Step 4: Simplify right side
    154,322.94x = 11,046,385,260.01
  5. Step 5: Solve for x
    x = 11,046,385,260.01/154,322.94
  6. Step 6: Final answer
    x = 71,579.67

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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.