Home / 106,278.41-146,664.54-57,880.71

Finding the Fourth Proportional to 106,278.41, 146,664.54 and 57,880.71

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Solution

The fourth proportional to 106,278.41, 146,664.54 and 57,880.71 is: 79,875.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,278.41 : 146,664.54 = 57,880.71 : x
  2. Step 2: Convert to fraction form
    106,278.41/146,664.54 = 57,880.71/x
  3. Step 3: Cross multiply
    106,278.41x = 146,664.54 × 57,880.71
  4. Step 4: Simplify right side
    106,278.41x = 8,489,047,707.02
  5. Step 5: Solve for x
    x = 8,489,047,707.02/106,278.41
  6. Step 6: Final answer
    x = 79,875.56

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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.