Home / 139,331.37-208,956.02-39,500.29

Finding the Fourth Proportional to 139,331.37, 208,956.02 and 39,500.29

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Solution

The fourth proportional to 139,331.37, 208,956.02 and 39,500.29 is: 59,238.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,331.37 : 208,956.02 = 39,500.29 : x
  2. Step 2: Convert to fraction form
    139,331.37/208,956.02 = 39,500.29/x
  3. Step 3: Cross multiply
    139,331.37x = 208,956.02 × 39,500.29
  4. Step 4: Simplify right side
    139,331.37x = 8,253,822,342.47
  5. Step 5: Solve for x
    x = 8,253,822,342.47/139,331.37
  6. Step 6: Final answer
    x = 59,238.79

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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.