Home / 139,176.54-208,778.46-39,337.50

Finding the Fourth Proportional to 139,176.54, 208,778.46 and 39,337.50

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Solution

The fourth proportional to 139,176.54, 208,778.46 and 39,337.50 is: 59,010.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,176.54 : 208,778.46 = 39,337.50 : x
  2. Step 2: Convert to fraction form
    139,176.54/208,778.46 = 39,337.50/x
  3. Step 3: Cross multiply
    139,176.54x = 208,778.46 × 39,337.50
  4. Step 4: Simplify right side
    139,176.54x = 8,212,822,670.25
  5. Step 5: Solve for x
    x = 8,212,822,670.25/139,176.54
  6. Step 6: Final answer
    x = 59,010.11

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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.