Home / 107,603.82-161,336.50-51,442.67

Finding the Fourth Proportional to 107,603.82, 161,336.50 and 51,442.67

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Solution

The fourth proportional to 107,603.82, 161,336.50 and 51,442.67 is: 77,130.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,603.82 : 161,336.50 = 51,442.67 : x
  2. Step 2: Convert to fraction form
    107,603.82/161,336.50 = 51,442.67/x
  3. Step 3: Cross multiply
    107,603.82x = 161,336.50 × 51,442.67
  4. Step 4: Simplify right side
    107,603.82x = 8,299,580,603.19
  5. Step 5: Solve for x
    x = 8,299,580,603.19/107,603.82
  6. Step 6: Final answer
    x = 77,130.91

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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.