Home / 101,414.04-139,956.30-56,091.84

Finding the Fourth Proportional to 101,414.04, 139,956.30 and 56,091.84

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Solution

The fourth proportional to 101,414.04, 139,956.30 and 56,091.84 is: 77,409.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,414.04 : 139,956.30 = 56,091.84 : x
  2. Step 2: Convert to fraction form
    101,414.04/139,956.30 = 56,091.84/x
  3. Step 3: Cross multiply
    101,414.04x = 139,956.30 × 56,091.84
  4. Step 4: Simplify right side
    101,414.04x = 7,850,406,386.59
  5. Step 5: Solve for x
    x = 7,850,406,386.59/101,414.04
  6. Step 6: Final answer
    x = 77,409.46

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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.