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Finding the Fourth Proportional to 101,360.87, 139,871.97 and 56,036.14

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Solution

The fourth proportional to 101,360.87, 139,871.97 and 56,036.14 is: 77,326.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,360.87 : 139,871.97 = 56,036.14 : x
  2. Step 2: Convert to fraction form
    101,360.87/139,871.97 = 56,036.14/x
  3. Step 3: Cross multiply
    101,360.87x = 139,871.97 × 56,036.14
  4. Step 4: Simplify right side
    101,360.87x = 7,837,884,313.46
  5. Step 5: Solve for x
    x = 7,837,884,313.46/101,360.87
  6. Step 6: Final answer
    x = 77,326.53

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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.