Home / 122,185.64-168,614.74-68,470.44

Finding the Fourth Proportional to 122,185.64, 168,614.74 and 68,470.44

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Solution

The fourth proportional to 122,185.64, 168,614.74 and 68,470.44 is: 94,488.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,185.64 : 168,614.74 = 68,470.44 : x
  2. Step 2: Convert to fraction form
    122,185.64/168,614.74 = 68,470.44/x
  3. Step 3: Cross multiply
    122,185.64x = 168,614.74 × 68,470.44
  4. Step 4: Simplify right side
    122,185.64x = 11,545,125,438.29
  5. Step 5: Solve for x
    x = 11,545,125,438.29/122,185.64
  6. Step 6: Final answer
    x = 94,488.40

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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.