Home / 179,249.46-268,875-72,635.46

Finding the Fourth Proportional to 179,249.46, 268,875 and 72,635.46

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Solution

The fourth proportional to 179,249.46, 268,875 and 72,635.46 is: 108,953.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,249.46 : 268,875 = 72,635.46 : x
  2. Step 2: Convert to fraction form
    179,249.46/268,875 = 72,635.46/x
  3. Step 3: Cross multiply
    179,249.46x = 268,875 × 72,635.46
  4. Step 4: Simplify right side
    179,249.46x = 19,529,859,307.50
  5. Step 5: Solve for x
    x = 19,529,859,307.50/179,249.46
  6. Step 6: Final answer
    x = 108,953.52

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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.