Home / 154,235.92-212,869.63-93,825.51

Finding the Fourth Proportional to 154,235.92, 212,869.63 and 93,825.51

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Solution

The fourth proportional to 154,235.92, 212,869.63 and 93,825.51 is: 129,493.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,235.92 : 212,869.63 = 93,825.51 : x
  2. Step 2: Convert to fraction form
    154,235.92/212,869.63 = 93,825.51/x
  3. Step 3: Cross multiply
    154,235.92x = 212,869.63 × 93,825.51
  4. Step 4: Simplify right side
    154,235.92x = 19,972,601,715.54
  5. Step 5: Solve for x
    x = 19,972,601,715.54/154,235.92
  6. Step 6: Final answer
    x = 129,493.84

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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.