Home / 122,692.59-169,314.75-68,977.85

Finding the Fourth Proportional to 122,692.59, 169,314.75 and 68,977.85

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Solution

The fourth proportional to 122,692.59, 169,314.75 and 68,977.85 is: 95,188.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,692.59 : 169,314.75 = 68,977.85 : x
  2. Step 2: Convert to fraction form
    122,692.59/169,314.75 = 68,977.85/x
  3. Step 3: Cross multiply
    122,692.59x = 169,314.75 × 68,977.85
  4. Step 4: Simplify right side
    122,692.59x = 11,678,966,581.71
  5. Step 5: Solve for x
    x = 11,678,966,581.71/122,692.59
  6. Step 6: Final answer
    x = 95,188.85

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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.