Home / 122,141.44-168,506.66-76,174.04

Finding the Fourth Proportional to 122,141.44, 168,506.66 and 76,174.04

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Solution

The fourth proportional to 122,141.44, 168,506.66 and 76,174.04 is: 105,089.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,141.44 : 168,506.66 = 76,174.04 : x
  2. Step 2: Convert to fraction form
    122,141.44/168,506.66 = 76,174.04/x
  3. Step 3: Cross multiply
    122,141.44x = 168,506.66 × 76,174.04
  4. Step 4: Simplify right side
    122,141.44x = 12,835,833,059.11
  5. Step 5: Solve for x
    x = 12,835,833,059.11/122,141.44
  6. Step 6: Final answer
    x = 105,089.91

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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.