Home / 178,521.76-267,783.62-45,402.10

Finding the Fourth Proportional to 178,521.76, 267,783.62 and 45,402.10

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Solution

The fourth proportional to 178,521.76, 267,783.62 and 45,402.10 is: 68,103.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,521.76 : 267,783.62 = 45,402.10 : x
  2. Step 2: Convert to fraction form
    178,521.76/267,783.62 = 45,402.10/x
  3. Step 3: Cross multiply
    178,521.76x = 267,783.62 × 45,402.10
  4. Step 4: Simplify right side
    178,521.76x = 12,157,939,558.80
  5. Step 5: Solve for x
    x = 12,157,939,558.80/178,521.76
  6. Step 6: Final answer
    x = 68,103.41

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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.