Home / 138,999.96-208,517.63-37,800.14

Finding the Fourth Proportional to 138,999.96, 208,517.63 and 37,800.14

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Solution

The fourth proportional to 138,999.96, 208,517.63 and 37,800.14 is: 56,705.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,999.96 : 208,517.63 = 37,800.14 : x
  2. Step 2: Convert to fraction form
    138,999.96/208,517.63 = 37,800.14/x
  3. Step 3: Cross multiply
    138,999.96x = 208,517.63 × 37,800.14
  4. Step 4: Simplify right side
    138,999.96x = 7,881,994,374.88
  5. Step 5: Solve for x
    x = 7,881,994,374.88/138,999.96
  6. Step 6: Final answer
    x = 56,705.01

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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.