Home / 148,574.55-205,043.06-84,043.85

Finding the Fourth Proportional to 148,574.55, 205,043.06 and 84,043.85

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Solution

The fourth proportional to 148,574.55, 205,043.06 and 84,043.85 is: 115,986.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,574.55 : 205,043.06 = 84,043.85 : x
  2. Step 2: Convert to fraction form
    148,574.55/205,043.06 = 84,043.85/x
  3. Step 3: Cross multiply
    148,574.55x = 205,043.06 × 84,043.85
  4. Step 4: Simplify right side
    148,574.55x = 17,232,608,900.90
  5. Step 5: Solve for x
    x = 17,232,608,900.90/148,574.55
  6. Step 6: Final answer
    x = 115,986.28

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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.