Home / 260,158.35-390,237.57-73,169.85

Finding the Fourth Proportional to 260,158.35, 390,237.57 and 73,169.85

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Solution

The fourth proportional to 260,158.35, 390,237.57 and 73,169.85 is: 109,754.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,158.35 : 390,237.57 = 73,169.85 : x
  2. Step 2: Convert to fraction form
    260,158.35/390,237.57 = 73,169.85/x
  3. Step 3: Cross multiply
    260,158.35x = 390,237.57 × 73,169.85
  4. Step 4: Simplify right side
    260,158.35x = 28,553,624,461.26
  5. Step 5: Solve for x
    x = 28,553,624,461.26/260,158.35
  6. Step 6: Final answer
    x = 109,754.79

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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.