Home / 163,961.20-245,941.85-126,575.85

Finding the Fourth Proportional to 163,961.20, 245,941.85 and 126,575.85

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Solution

The fourth proportional to 163,961.20, 245,941.85 and 126,575.85 is: 189,863.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,961.20 : 245,941.85 = 126,575.85 : x
  2. Step 2: Convert to fraction form
    163,961.20/245,941.85 = 126,575.85/x
  3. Step 3: Cross multiply
    163,961.20x = 245,941.85 × 126,575.85
  4. Step 4: Simplify right side
    163,961.20x = 31,130,298,714.32
  5. Step 5: Solve for x
    x = 31,130,298,714.32/163,961.20
  6. Step 6: Final answer
    x = 189,863.81

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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.