Home / 178,742.56-267,705.54-85,313.92

Finding the Fourth Proportional to 178,742.56, 267,705.54 and 85,313.92

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Solution

The fourth proportional to 178,742.56, 267,705.54 and 85,313.92 is: 127,776.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,742.56 : 267,705.54 = 85,313.92 : x
  2. Step 2: Convert to fraction form
    178,742.56/267,705.54 = 85,313.92/x
  3. Step 3: Cross multiply
    178,742.56x = 267,705.54 × 85,313.92
  4. Step 4: Simplify right side
    178,742.56x = 22,839,009,023.12
  5. Step 5: Solve for x
    x = 22,839,009,023.12/178,742.56
  6. Step 6: Final answer
    x = 127,776.00

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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.