Home / 125,650.66-173,438.32-80,450.38

Finding the Fourth Proportional to 125,650.66, 173,438.32 and 80,450.38

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Solution

The fourth proportional to 125,650.66, 173,438.32 and 80,450.38 is: 111,047.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,650.66 : 173,438.32 = 80,450.38 : x
  2. Step 2: Convert to fraction form
    125,650.66/173,438.32 = 80,450.38/x
  3. Step 3: Cross multiply
    125,650.66x = 173,438.32 × 80,450.38
  4. Step 4: Simplify right side
    125,650.66x = 13,953,178,750.56
  5. Step 5: Solve for x
    x = 13,953,178,750.56/125,650.66
  6. Step 6: Final answer
    x = 111,047.40

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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.