Home / 142,223.04-196,282.44-81,795.96

Finding the Fourth Proportional to 142,223.04, 196,282.44 and 81,795.96

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Solution

The fourth proportional to 142,223.04, 196,282.44 and 81,795.96 is: 112,886.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,223.04 : 196,282.44 = 81,795.96 : x
  2. Step 2: Convert to fraction form
    142,223.04/196,282.44 = 81,795.96/x
  3. Step 3: Cross multiply
    142,223.04x = 196,282.44 × 81,795.96
  4. Step 4: Simplify right side
    142,223.04x = 16,055,110,610.94
  5. Step 5: Solve for x
    x = 16,055,110,610.94/142,223.04
  6. Step 6: Final answer
    x = 112,886.85

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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.