Home / 139,027.47-208,557.61-104,188.56

Finding the Fourth Proportional to 139,027.47, 208,557.61 and 104,188.56

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Solution

The fourth proportional to 139,027.47, 208,557.61 and 104,188.56 is: 156,295.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,027.47 : 208,557.61 = 104,188.56 : x
  2. Step 2: Convert to fraction form
    139,027.47/208,557.61 = 104,188.56/x
  3. Step 3: Cross multiply
    139,027.47x = 208,557.61 × 104,188.56
  4. Step 4: Simplify right side
    139,027.47x = 21,729,316,802.47
  5. Step 5: Solve for x
    x = 21,729,316,802.47/139,027.47
  6. Step 6: Final answer
    x = 156,295.13

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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.