Home / 178,536.74-267,803.88-45,415.26

Finding the Fourth Proportional to 178,536.74, 267,803.88 and 45,415.26

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Solution

The fourth proportional to 178,536.74, 267,803.88 and 45,415.26 is: 68,122.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,536.74 : 267,803.88 = 45,415.26 : x
  2. Step 2: Convert to fraction form
    178,536.74/267,803.88 = 45,415.26/x
  3. Step 3: Cross multiply
    178,536.74x = 267,803.88 × 45,415.26
  4. Step 4: Simplify right side
    178,536.74x = 12,162,382,839.21
  5. Step 5: Solve for x
    x = 12,162,382,839.21/178,536.74
  6. Step 6: Final answer
    x = 68,122.58

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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.