Home / 133,255.32-183,870.18-79,562.04

Finding the Fourth Proportional to 133,255.32, 183,870.18 and 79,562.04

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Solution

The fourth proportional to 133,255.32, 183,870.18 and 79,562.04 is: 109,782.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,255.32 : 183,870.18 = 79,562.04 : x
  2. Step 2: Convert to fraction form
    133,255.32/183,870.18 = 79,562.04/x
  3. Step 3: Cross multiply
    133,255.32x = 183,870.18 × 79,562.04
  4. Step 4: Simplify right side
    133,255.32x = 14,629,086,615.97
  5. Step 5: Solve for x
    x = 14,629,086,615.97/133,255.32
  6. Step 6: Final answer
    x = 109,782.38

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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.