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Finding the Fourth Proportional to 101,349.82, 139,880.15 and 58,933

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Solution

The fourth proportional to 101,349.82, 139,880.15 and 58,933 is: 81,337.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,349.82 : 139,880.15 = 58,933 : x
  2. Step 2: Convert to fraction form
    101,349.82/139,880.15 = 58,933/x
  3. Step 3: Cross multiply
    101,349.82x = 139,880.15 × 58,933
  4. Step 4: Simplify right side
    101,349.82x = 8,243,556,879.95
  5. Step 5: Solve for x
    x = 8,243,556,879.95/101,349.82
  6. Step 6: Final answer
    x = 81,337.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.