Home / 101,636.56-152,427.30-42,459.85

Finding the Fourth Proportional to 101,636.56, 152,427.30 and 42,459.85

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Solution

The fourth proportional to 101,636.56, 152,427.30 and 42,459.85 is: 63,678.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,636.56 : 152,427.30 = 42,459.85 : x
  2. Step 2: Convert to fraction form
    101,636.56/152,427.30 = 42,459.85/x
  3. Step 3: Cross multiply
    101,636.56x = 152,427.30 × 42,459.85
  4. Step 4: Simplify right side
    101,636.56x = 6,472,040,293.91
  5. Step 5: Solve for x
    x = 6,472,040,293.91/101,636.56
  6. Step 6: Final answer
    x = 63,678.27

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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.