Home / 142,867.72-214,251.88-58,603.96

Finding the Fourth Proportional to 142,867.72, 214,251.88 and 58,603.96

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Solution

The fourth proportional to 142,867.72, 214,251.88 and 58,603.96 is: 87,885.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,867.72 : 214,251.88 = 58,603.96 : x
  2. Step 2: Convert to fraction form
    142,867.72/214,251.88 = 58,603.96/x
  3. Step 3: Cross multiply
    142,867.72x = 214,251.88 × 58,603.96
  4. Step 4: Simplify right side
    142,867.72x = 12,556,008,605.44
  5. Step 5: Solve for x
    x = 12,556,008,605.44/142,867.72
  6. Step 6: Final answer
    x = 87,885.55

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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.