Home / 166,856.86-250,110.24-78,035.50

Finding the Fourth Proportional to 166,856.86, 250,110.24 and 78,035.50

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Solution

The fourth proportional to 166,856.86, 250,110.24 and 78,035.50 is: 116,971.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,856.86 : 250,110.24 = 78,035.50 : x
  2. Step 2: Convert to fraction form
    166,856.86/250,110.24 = 78,035.50/x
  3. Step 3: Cross multiply
    166,856.86x = 250,110.24 × 78,035.50
  4. Step 4: Simplify right side
    166,856.86x = 19,517,477,633.52
  5. Step 5: Solve for x
    x = 19,517,477,633.52/166,856.86
  6. Step 6: Final answer
    x = 116,971.38

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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.