Home / 142,658.24-196,834.57-84,485.60

Finding the Fourth Proportional to 142,658.24, 196,834.57 and 84,485.60

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Solution

The fourth proportional to 142,658.24, 196,834.57 and 84,485.60 is: 116,570.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,658.24 : 196,834.57 = 84,485.60 : x
  2. Step 2: Convert to fraction form
    142,658.24/196,834.57 = 84,485.60/x
  3. Step 3: Cross multiply
    142,658.24x = 196,834.57 × 84,485.60
  4. Step 4: Simplify right side
    142,658.24x = 16,629,686,747.19
  5. Step 5: Solve for x
    x = 16,629,686,747.19/142,658.24
  6. Step 6: Final answer
    x = 116,570.11

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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.