Home / 150,172.17-207,147.54-99,184.96

Finding the Fourth Proportional to 150,172.17, 207,147.54 and 99,184.96

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Solution

The fourth proportional to 150,172.17, 207,147.54 and 99,184.96 is: 136,815.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,172.17 : 207,147.54 = 99,184.96 : x
  2. Step 2: Convert to fraction form
    150,172.17/207,147.54 = 99,184.96/x
  3. Step 3: Cross multiply
    150,172.17x = 207,147.54 × 99,184.96
  4. Step 4: Simplify right side
    150,172.17x = 20,545,920,469.00
  5. Step 5: Solve for x
    x = 20,545,920,469.00/150,172.17
  6. Step 6: Final answer
    x = 136,815.77

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1.5x scale

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.