Home / 178,138.03-267,182.34-45,010.09

Finding the Fourth Proportional to 178,138.03, 267,182.34 and 45,010.09

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Solution

The fourth proportional to 178,138.03, 267,182.34 and 45,010.09 is: 67,508.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,138.03 : 267,182.34 = 45,010.09 : x
  2. Step 2: Convert to fraction form
    178,138.03/267,182.34 = 45,010.09/x
  3. Step 3: Cross multiply
    178,138.03x = 267,182.34 × 45,010.09
  4. Step 4: Simplify right side
    178,138.03x = 12,025,901,169.81
  5. Step 5: Solve for x
    x = 12,025,901,169.81/178,138.03
  6. Step 6: Final answer
    x = 67,508.89

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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.