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Finding the Fourth Proportional to 101,177.73, 139,635.21 and 58,733.73

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Solution

The fourth proportional to 101,177.73, 139,635.21 and 58,733.73 is: 81,058.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,177.73 : 139,635.21 = 58,733.73 : x
  2. Step 2: Convert to fraction form
    101,177.73/139,635.21 = 58,733.73/x
  3. Step 3: Cross multiply
    101,177.73x = 139,635.21 × 58,733.73
  4. Step 4: Simplify right side
    101,177.73x = 8,201,296,722.63
  5. Step 5: Solve for x
    x = 8,201,296,722.63/101,177.73
  6. Step 6: Final answer
    x = 81,058.32

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1.5x scale

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.