Home / 122,461.57-168,996.88-68,746.69

Finding the Fourth Proportional to 122,461.57, 168,996.88 and 68,746.69

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Solution

The fourth proportional to 122,461.57, 168,996.88 and 68,746.69 is: 94,870.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,461.57 : 168,996.88 = 68,746.69 : x
  2. Step 2: Convert to fraction form
    122,461.57/168,996.88 = 68,746.69/x
  3. Step 3: Cross multiply
    122,461.57x = 168,996.88 × 68,746.69
  4. Step 4: Simplify right side
    122,461.57x = 11,617,976,120.33
  5. Step 5: Solve for x
    x = 11,617,976,120.33/122,461.57
  6. Step 6: Final answer
    x = 94,870.38

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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.