Home / 178,589.40-267,884.10-139,176

Finding the Fourth Proportional to 178,589.40, 267,884.10 and 139,176

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Solution

The fourth proportional to 178,589.40, 267,884.10 and 139,176 is: 208,764

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,589.40 : 267,884.10 = 139,176 : x
  2. Step 2: Convert to fraction form
    178,589.40/267,884.10 = 139,176/x
  3. Step 3: Cross multiply
    178,589.40x = 267,884.10 × 139,176
  4. Step 4: Simplify right side
    178,589.40x = 37,283,037,501.60
  5. Step 5: Solve for x
    x = 37,283,037,501.60/178,589.40
  6. Step 6: Final answer
    x = 208,764

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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.