Home / 178,591.40-267,887.10-139,178

Finding the Fourth Proportional to 178,591.40, 267,887.10 and 139,178

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Solution

The fourth proportional to 178,591.40, 267,887.10 and 139,178 is: 208,767.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,591.40 : 267,887.10 = 139,178 : x
  2. Step 2: Convert to fraction form
    178,591.40/267,887.10 = 139,178/x
  3. Step 3: Cross multiply
    178,591.40x = 267,887.10 × 139,178
  4. Step 4: Simplify right side
    178,591.40x = 37,283,990,803.80
  5. Step 5: Solve for x
    x = 37,283,990,803.80/178,591.40
  6. Step 6: Final answer
    x = 208,767.00

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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.