Home / 260,511.52-359,525.21-145,801.66

Finding the Fourth Proportional to 260,511.52, 359,525.21 and 145,801.66

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Solution

The fourth proportional to 260,511.52, 359,525.21 and 145,801.66 is: 201,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,511.52 : 359,525.21 = 145,801.66 : x
  2. Step 2: Convert to fraction form
    260,511.52/359,525.21 = 145,801.66/x
  3. Step 3: Cross multiply
    260,511.52x = 359,525.21 × 145,801.66
  4. Step 4: Simplify right side
    260,511.52x = 52,419,372,429.85
  5. Step 5: Solve for x
    x = 52,419,372,429.85/260,511.52
  6. Step 6: Final answer
    x = 201,217.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.