Home / 178,688.32-267,991.54-106,661.57

Finding the Fourth Proportional to 178,688.32, 267,991.54 and 106,661.57

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Solution

The fourth proportional to 178,688.32, 267,991.54 and 106,661.57 is: 159,967.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,688.32 : 267,991.54 = 106,661.57 : x
  2. Step 2: Convert to fraction form
    178,688.32/267,991.54 = 106,661.57/x
  3. Step 3: Cross multiply
    178,688.32x = 267,991.54 × 106,661.57
  4. Step 4: Simplify right side
    178,688.32x = 28,584,396,796.51
  5. Step 5: Solve for x
    x = 28,584,396,796.51/178,688.32
  6. Step 6: Final answer
    x = 159,967.91

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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.