Home / 112,447.90-168,699.54-79,232.84

Finding the Fourth Proportional to 112,447.90, 168,699.54 and 79,232.84

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Solution

The fourth proportional to 112,447.90, 168,699.54 and 79,232.84 is: 118,868.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,447.90 : 168,699.54 = 79,232.84 : x
  2. Step 2: Convert to fraction form
    112,447.90/168,699.54 = 79,232.84/x
  3. Step 3: Cross multiply
    112,447.90x = 168,699.54 × 79,232.84
  4. Step 4: Simplify right side
    112,447.90x = 13,366,543,660.89
  5. Step 5: Solve for x
    x = 13,366,543,660.89/112,447.90
  6. Step 6: Final answer
    x = 118,868.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.