Home / 178,319.40-267,331.68-139,050.60

Finding the Fourth Proportional to 178,319.40, 267,331.68 and 139,050.60

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Solution

The fourth proportional to 178,319.40, 267,331.68 and 139,050.60 is: 208,460.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,319.40 : 267,331.68 = 139,050.60 : x
  2. Step 2: Convert to fraction form
    178,319.40/267,331.68 = 139,050.60/x
  3. Step 3: Cross multiply
    178,319.40x = 267,331.68 × 139,050.60
  4. Step 4: Simplify right side
    178,319.40x = 37,172,630,503.01
  5. Step 5: Solve for x
    x = 37,172,630,503.01/178,319.40
  6. Step 6: Final answer
    x = 208,460.94

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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.