Home / 250,193.13-345,267.73-137,015.88

Finding the Fourth Proportional to 250,193.13, 345,267.73 and 137,015.88

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Solution

The fourth proportional to 250,193.13, 345,267.73 and 137,015.88 is: 189,082.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,193.13 : 345,267.73 = 137,015.88 : x
  2. Step 2: Convert to fraction form
    250,193.13/345,267.73 = 137,015.88/x
  3. Step 3: Cross multiply
    250,193.13x = 345,267.73 × 137,015.88
  4. Step 4: Simplify right side
    250,193.13x = 47,307,161,861.55
  5. Step 5: Solve for x
    x = 47,307,161,861.55/250,193.13
  6. Step 6: Final answer
    x = 189,082.58

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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.