Home / 112,509.60-168,783.84-45,985.92

Finding the Fourth Proportional to 112,509.60, 168,783.84 and 45,985.92

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Solution

The fourth proportional to 112,509.60, 168,783.84 and 45,985.92 is: 68,986.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,509.60 : 168,783.84 = 45,985.92 : x
  2. Step 2: Convert to fraction form
    112,509.60/168,783.84 = 45,985.92/x
  3. Step 3: Cross multiply
    112,509.60x = 168,783.84 × 45,985.92
  4. Step 4: Simplify right side
    112,509.60x = 7,761,680,163.53
  5. Step 5: Solve for x
    x = 7,761,680,163.53/112,509.60
  6. Step 6: Final answer
    x = 68,986.83

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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.