Home / 139,285.35-208,958.00-43,220.66

Finding the Fourth Proportional to 139,285.35, 208,958.00 and 43,220.66

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Solution

The fourth proportional to 139,285.35, 208,958.00 and 43,220.66 is: 64,840.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,285.35 : 208,958.00 = 43,220.66 : x
  2. Step 2: Convert to fraction form
    139,285.35/208,958.00 = 43,220.66/x
  3. Step 3: Cross multiply
    139,285.35x = 208,958.00 × 43,220.66
  4. Step 4: Simplify right side
    139,285.35x = 9,031,301,411.39
  5. Step 5: Solve for x
    x = 9,031,301,411.39/139,285.35
  6. Step 6: Final answer
    x = 64,840.28

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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.