Home / 122,834.90-169,511.04-69,118.84

Finding the Fourth Proportional to 122,834.90, 169,511.04 and 69,118.84

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Solution

The fourth proportional to 122,834.90, 169,511.04 and 69,118.84 is: 95,383.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,834.90 : 169,511.04 = 69,118.84 : x
  2. Step 2: Convert to fraction form
    122,834.90/169,511.04 = 69,118.84/x
  3. Step 3: Cross multiply
    122,834.90x = 169,511.04 × 69,118.84
  4. Step 4: Simplify right side
    122,834.90x = 11,716,406,451.99
  5. Step 5: Solve for x
    x = 11,716,406,451.99/122,834.90
  6. Step 6: Final answer
    x = 95,383.37

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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.