Home / 134,277.88-185,303.68-77,692.90

Finding the Fourth Proportional to 134,277.88, 185,303.68 and 77,692.90

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Solution

The fourth proportional to 134,277.88, 185,303.68 and 77,692.90 is: 107,216.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,277.88 : 185,303.68 = 77,692.90 : x
  2. Step 2: Convert to fraction form
    134,277.88/185,303.68 = 77,692.90/x
  3. Step 3: Cross multiply
    134,277.88x = 185,303.68 × 77,692.90
  4. Step 4: Simplify right side
    134,277.88x = 14,396,780,279.87
  5. Step 5: Solve for x
    x = 14,396,780,279.87/134,277.88
  6. Step 6: Final answer
    x = 107,216.32

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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.