Home / 105,725.88-158,652.84-42,560.04

Finding the Fourth Proportional to 105,725.88, 158,652.84 and 42,560.04

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Solution

The fourth proportional to 105,725.88, 158,652.84 and 42,560.04 is: 63,865.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,725.88 : 158,652.84 = 42,560.04 : x
  2. Step 2: Convert to fraction form
    105,725.88/158,652.84 = 42,560.04/x
  3. Step 3: Cross multiply
    105,725.88x = 158,652.84 × 42,560.04
  4. Step 4: Simplify right side
    105,725.88x = 6,752,271,216.51
  5. Step 5: Solve for x
    x = 6,752,271,216.51/105,725.88
  6. Step 6: Final answer
    x = 63,865.83

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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.