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Finding the Fourth Proportional to 101,244.49, 139,716.84 and 55,925.59

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Solution

The fourth proportional to 101,244.49, 139,716.84 and 55,925.59 is: 77,177.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,244.49 : 139,716.84 = 55,925.59 : x
  2. Step 2: Convert to fraction form
    101,244.49/139,716.84 = 55,925.59/x
  3. Step 3: Cross multiply
    101,244.49x = 139,716.84 × 55,925.59
  4. Step 4: Simplify right side
    101,244.49x = 7,813,746,709.94
  5. Step 5: Solve for x
    x = 7,813,746,709.94/101,244.49
  6. Step 6: Final answer
    x = 77,177.01

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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.