Home / 112,125.20-168,421.80-94,629.20

Finding the Fourth Proportional to 112,125.20, 168,421.80 and 94,629.20

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Solution

The fourth proportional to 112,125.20, 168,421.80 and 94,629.20 is: 142,141.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,125.20 : 168,421.80 = 94,629.20 : x
  2. Step 2: Convert to fraction form
    112,125.20/168,421.80 = 94,629.20/x
  3. Step 3: Cross multiply
    112,125.20x = 168,421.80 × 94,629.20
  4. Step 4: Simplify right side
    112,125.20x = 15,937,620,196.56
  5. Step 5: Solve for x
    x = 15,937,620,196.56/112,125.20
  6. Step 6: Final answer
    x = 142,141.29

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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.