Home / 178,581.40-267,872.10-139,168

Finding the Fourth Proportional to 178,581.40, 267,872.10 and 139,168

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Solution

The fourth proportional to 178,581.40, 267,872.10 and 139,168 is: 208,752.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,581.40 : 267,872.10 = 139,168 : x
  2. Step 2: Convert to fraction form
    178,581.40/267,872.10 = 139,168/x
  3. Step 3: Cross multiply
    178,581.40x = 267,872.10 × 139,168
  4. Step 4: Simplify right side
    178,581.40x = 37,279,224,412.80
  5. Step 5: Solve for x
    x = 37,279,224,412.80/178,581.40
  6. Step 6: Final answer
    x = 208,752.00

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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.