Home / 122,167.09-168,574.92-68,438.89

Finding the Fourth Proportional to 122,167.09, 168,574.92 and 68,438.89

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Solution

The fourth proportional to 122,167.09, 168,574.92 and 68,438.89 is: 94,436.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,167.09 : 168,574.92 = 68,438.89 : x
  2. Step 2: Convert to fraction form
    122,167.09/168,574.92 = 68,438.89/x
  3. Step 3: Cross multiply
    122,167.09x = 168,574.92 × 68,438.89
  4. Step 4: Simplify right side
    122,167.09x = 11,537,080,406.64
  5. Step 5: Solve for x
    x = 11,537,080,406.64/122,167.09
  6. Step 6: Final answer
    x = 94,436.89

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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.