Home / 178,091.84-267,131.28-53,429.60

Finding the Fourth Proportional to 178,091.84, 267,131.28 and 53,429.60

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Solution

The fourth proportional to 178,091.84, 267,131.28 and 53,429.60 is: 80,142.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,091.84 : 267,131.28 = 53,429.60 : x
  2. Step 2: Convert to fraction form
    178,091.84/267,131.28 = 53,429.60/x
  3. Step 3: Cross multiply
    178,091.84x = 267,131.28 × 53,429.60
  4. Step 4: Simplify right side
    178,091.84x = 14,272,717,437.89
  5. Step 5: Solve for x
    x = 14,272,717,437.89/178,091.84
  6. Step 6: Final answer
    x = 80,142.46

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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.