Home / 154,322.85-231,506.45-47,715.11

Finding the Fourth Proportional to 154,322.85, 231,506.45 and 47,715.11

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Solution

The fourth proportional to 154,322.85, 231,506.45 and 47,715.11 is: 71,579.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,322.85 : 231,506.45 = 47,715.11 : x
  2. Step 2: Convert to fraction form
    154,322.85/231,506.45 = 47,715.11/x
  3. Step 3: Cross multiply
    154,322.85x = 231,506.45 × 47,715.11
  4. Step 4: Simplify right side
    154,322.85x = 11,046,356,425.51
  5. Step 5: Solve for x
    x = 11,046,356,425.51/154,322.85
  6. Step 6: Final answer
    x = 71,579.53

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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.