Home / 154,747.05-213,472.32-101,063.49

Finding the Fourth Proportional to 154,747.05, 213,472.32 and 101,063.49

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Solution

The fourth proportional to 154,747.05, 213,472.32 and 101,063.49 is: 139,416.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,747.05 : 213,472.32 = 101,063.49 : x
  2. Step 2: Convert to fraction form
    154,747.05/213,472.32 = 101,063.49/x
  3. Step 3: Cross multiply
    154,747.05x = 213,472.32 × 101,063.49
  4. Step 4: Simplify right side
    154,747.05x = 21,574,257,677.60
  5. Step 5: Solve for x
    x = 21,574,257,677.60/154,747.05
  6. Step 6: Final answer
    x = 139,416.28

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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.