Home / 260,113.46-390,170.14-73,124.96

Finding the Fourth Proportional to 260,113.46, 390,170.14 and 73,124.96

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Solution

The fourth proportional to 260,113.46, 390,170.14 and 73,124.96 is: 109,687.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,113.46 : 390,170.14 = 73,124.96 : x
  2. Step 2: Convert to fraction form
    260,113.46/390,170.14 = 73,124.96/x
  3. Step 3: Cross multiply
    260,113.46x = 390,170.14 × 73,124.96
  4. Step 4: Simplify right side
    260,113.46x = 28,531,175,880.69
  5. Step 5: Solve for x
    x = 28,531,175,880.69/260,113.46
  6. Step 6: Final answer
    x = 109,687.43

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1.5x scale

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.