Home / 188,477.42-260,136.67-111,981.79

Finding the Fourth Proportional to 188,477.42, 260,136.67 and 111,981.79

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Solution

The fourth proportional to 188,477.42, 260,136.67 and 111,981.79 is: 154,557.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,477.42 : 260,136.67 = 111,981.79 : x
  2. Step 2: Convert to fraction form
    188,477.42/260,136.67 = 111,981.79/x
  3. Step 3: Cross multiply
    188,477.42x = 260,136.67 × 111,981.79
  4. Step 4: Simplify right side
    188,477.42x = 29,130,569,951.24
  5. Step 5: Solve for x
    x = 29,130,569,951.24/188,477.42
  6. Step 6: Final answer
    x = 154,557.35

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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.