Home / 186,035.36-279,003.84-80,829.76

Finding the Fourth Proportional to 186,035.36, 279,003.84 and 80,829.76

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Solution

The fourth proportional to 186,035.36, 279,003.84 and 80,829.76 is: 121,223.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,035.36 : 279,003.84 = 80,829.76 : x
  2. Step 2: Convert to fraction form
    186,035.36/279,003.84 = 80,829.76/x
  3. Step 3: Cross multiply
    186,035.36x = 279,003.84 × 80,829.76
  4. Step 4: Simplify right side
    186,035.36x = 22,551,813,426.28
  5. Step 5: Solve for x
    x = 22,551,813,426.28/186,035.36
  6. Step 6: Final answer
    x = 121,223.26

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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.