Home / 260,187.21-359,076.50-145,488.19

Finding the Fourth Proportional to 260,187.21, 359,076.50 and 145,488.19

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Solution

The fourth proportional to 260,187.21, 359,076.50 and 145,488.19 is: 200,783.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,187.21 : 359,076.50 = 145,488.19 : x
  2. Step 2: Convert to fraction form
    260,187.21/359,076.50 = 145,488.19/x
  3. Step 3: Cross multiply
    260,187.21x = 359,076.50 × 145,488.19
  4. Step 4: Simplify right side
    260,187.21x = 52,241,390,056.54
  5. Step 5: Solve for x
    x = 52,241,390,056.54/260,187.21
  6. Step 6: Final answer
    x = 200,783.85

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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.