Home / 179,386.68-247,564.32-102,905.28

Finding the Fourth Proportional to 179,386.68, 247,564.32 and 102,905.28

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Solution

The fourth proportional to 179,386.68, 247,564.32 and 102,905.28 is: 142,015.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,386.68 : 247,564.32 = 102,905.28 : x
  2. Step 2: Convert to fraction form
    179,386.68/247,564.32 = 102,905.28/x
  3. Step 3: Cross multiply
    179,386.68x = 247,564.32 × 102,905.28
  4. Step 4: Simplify right side
    179,386.68x = 25,475,675,667.61
  5. Step 5: Solve for x
    x = 25,475,675,667.61/179,386.68
  6. Step 6: Final answer
    x = 142,015.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.