Home / 166,735.12-250,128.82-54,389.40

Finding the Fourth Proportional to 166,735.12, 250,128.82 and 54,389.40

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Solution

The fourth proportional to 166,735.12, 250,128.82 and 54,389.40 is: 81,592.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,735.12 : 250,128.82 = 54,389.40 : x
  2. Step 2: Convert to fraction form
    166,735.12/250,128.82 = 54,389.40/x
  3. Step 3: Cross multiply
    166,735.12x = 250,128.82 × 54,389.40
  4. Step 4: Simplify right side
    166,735.12x = 13,604,356,442.51
  5. Step 5: Solve for x
    x = 13,604,356,442.51/166,735.12
  6. Step 6: Final answer
    x = 81,592.63

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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.