Home / 74,128.50-111,203.62-23,510.65

Finding the Fourth Proportional to 74,128.50, 111,203.62 and 23,510.65

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Solution

The fourth proportional to 74,128.50, 111,203.62 and 23,510.65 is: 35,269.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,128.50 : 111,203.62 = 23,510.65 : x
  2. Step 2: Convert to fraction form
    74,128.50/111,203.62 = 23,510.65/x
  3. Step 3: Cross multiply
    74,128.50x = 111,203.62 × 23,510.65
  4. Step 4: Simplify right side
    74,128.50x = 2,614,469,051.77
  5. Step 5: Solve for x
    x = 2,614,469,051.77/74,128.50
  6. Step 6: Final answer
    x = 35,269.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.