Home / 152,265.14-228,247.04-72,162.32

Finding the Fourth Proportional to 152,265.14, 228,247.04 and 72,162.32

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Solution

The fourth proportional to 152,265.14, 228,247.04 and 72,162.32 is: 108,172.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,265.14 : 228,247.04 = 72,162.32 : x
  2. Step 2: Convert to fraction form
    152,265.14/228,247.04 = 72,162.32/x
  3. Step 3: Cross multiply
    152,265.14x = 228,247.04 × 72,162.32
  4. Step 4: Simplify right side
    152,265.14x = 16,470,834,978.70
  5. Step 5: Solve for x
    x = 16,470,834,978.70/152,265.14
  6. Step 6: Final answer
    x = 108,172.07

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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.