Home / 166,831.95-250,129.03-78,037.05

Finding the Fourth Proportional to 166,831.95, 250,129.03 and 78,037.05

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Solution

The fourth proportional to 166,831.95, 250,129.03 and 78,037.05 is: 116,999.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,831.95 : 250,129.03 = 78,037.05 : x
  2. Step 2: Convert to fraction form
    166,831.95/250,129.03 = 78,037.05/x
  3. Step 3: Cross multiply
    166,831.95x = 250,129.03 × 78,037.05
  4. Step 4: Simplify right side
    166,831.95x = 19,519,331,620.56
  5. Step 5: Solve for x
    x = 19,519,331,620.56/166,831.95
  6. Step 6: Final answer
    x = 116,999.96

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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.