Home / 154,455.32-213,084.99-93,977.48

Finding the Fourth Proportional to 154,455.32, 213,084.99 and 93,977.48

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Solution

The fourth proportional to 154,455.32, 213,084.99 and 93,977.48 is: 129,650.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,455.32 : 213,084.99 = 93,977.48 : x
  2. Step 2: Convert to fraction form
    154,455.32/213,084.99 = 93,977.48/x
  3. Step 3: Cross multiply
    154,455.32x = 213,084.99 × 93,977.48
  4. Step 4: Simplify right side
    154,455.32x = 20,025,189,320.60
  5. Step 5: Solve for x
    x = 20,025,189,320.60/154,455.32
  6. Step 6: Final answer
    x = 129,650.37

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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.