Home / 122,166.09-168,573.54-68,437.89

Finding the Fourth Proportional to 122,166.09, 168,573.54 and 68,437.89

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Solution

The fourth proportional to 122,166.09, 168,573.54 and 68,437.89 is: 94,435.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,166.09 : 168,573.54 = 68,437.89 : x
  2. Step 2: Convert to fraction form
    122,166.09/168,573.54 = 68,437.89/x
  3. Step 3: Cross multiply
    122,166.09x = 168,573.54 × 68,437.89
  4. Step 4: Simplify right side
    122,166.09x = 11,536,817,387.43
  5. Step 5: Solve for x
    x = 11,536,817,387.43/122,166.09
  6. Step 6: Final answer
    x = 94,435.51

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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.