Home / 103,278.28-141,595.73-101,412.04

Finding the Fourth Proportional to 103,278.28, 141,595.73 and 101,412.04

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Solution

The fourth proportional to 103,278.28, 141,595.73 and 101,412.04 is: 139,037.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,278.28 : 141,595.73 = 101,412.04 : x
  2. Step 2: Convert to fraction form
    103,278.28/141,595.73 = 101,412.04/x
  3. Step 3: Cross multiply
    103,278.28x = 141,595.73 × 101,412.04
  4. Step 4: Simplify right side
    103,278.28x = 14,359,511,834.59
  5. Step 5: Solve for x
    x = 14,359,511,834.59/103,278.28
  6. Step 6: Final answer
    x = 139,037.09

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.