Home / 178,340.79-267,512.21-45,221.34

Finding the Fourth Proportional to 178,340.79, 267,512.21 and 45,221.34

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Solution

The fourth proportional to 178,340.79, 267,512.21 and 45,221.34 is: 67,832.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,340.79 : 267,512.21 = 45,221.34 : x
  2. Step 2: Convert to fraction form
    178,340.79/267,512.21 = 45,221.34/x
  3. Step 3: Cross multiply
    178,340.79x = 267,512.21 × 45,221.34
  4. Step 4: Simplify right side
    178,340.79x = 12,097,260,376.45
  5. Step 5: Solve for x
    x = 12,097,260,376.45/178,340.79
  6. Step 6: Final answer
    x = 67,832.27

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1.5x scale

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.