Home / 188,311.18-282,485.37-61,900.15

Finding the Fourth Proportional to 188,311.18, 282,485.37 and 61,900.15

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Solution

The fourth proportional to 188,311.18, 282,485.37 and 61,900.15 is: 92,856.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,311.18 : 282,485.37 = 61,900.15 : x
  2. Step 2: Convert to fraction form
    188,311.18/282,485.37 = 61,900.15/x
  3. Step 3: Cross multiply
    188,311.18x = 282,485.37 × 61,900.15
  4. Step 4: Simplify right side
    188,311.18x = 17,485,886,831.38
  5. Step 5: Solve for x
    x = 17,485,886,831.38/188,311.18
  6. Step 6: Final answer
    x = 92,856.34

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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.