Home / 112,498.93-168,664.83-68,115.07

Finding the Fourth Proportional to 112,498.93, 168,664.83 and 68,115.07

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Solution

The fourth proportional to 112,498.93, 168,664.83 and 68,115.07 is: 102,122.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,498.93 : 168,664.83 = 68,115.07 : x
  2. Step 2: Convert to fraction form
    112,498.93/168,664.83 = 68,115.07/x
  3. Step 3: Cross multiply
    112,498.93x = 168,664.83 × 68,115.07
  4. Step 4: Simplify right side
    112,498.93x = 11,488,616,701.99
  5. Step 5: Solve for x
    x = 11,488,616,701.99/112,498.93
  6. Step 6: Final answer
    x = 102,122.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.