Home / 139,248.41-208,880.73-39,400.25

Finding the Fourth Proportional to 139,248.41, 208,880.73 and 39,400.25

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Solution

The fourth proportional to 139,248.41, 208,880.73 and 39,400.25 is: 59,102.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,248.41 : 208,880.73 = 39,400.25 : x
  2. Step 2: Convert to fraction form
    139,248.41/208,880.73 = 39,400.25/x
  3. Step 3: Cross multiply
    139,248.41x = 208,880.73 × 39,400.25
  4. Step 4: Simplify right side
    139,248.41x = 8,229,951,937.78
  5. Step 5: Solve for x
    x = 8,229,951,937.78/139,248.41
  6. Step 6: Final answer
    x = 59,102.67

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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.