Home / 192,856.46-289,303.72-66,480.06

Finding the Fourth Proportional to 192,856.46, 289,303.72 and 66,480.06

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Solution

The fourth proportional to 192,856.46, 289,303.72 and 66,480.06 is: 99,726.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,856.46 : 289,303.72 = 66,480.06 : x
  2. Step 2: Convert to fraction form
    192,856.46/289,303.72 = 66,480.06/x
  3. Step 3: Cross multiply
    192,856.46x = 289,303.72 × 66,480.06
  4. Step 4: Simplify right side
    192,856.46x = 19,232,928,331.42
  5. Step 5: Solve for x
    x = 19,232,928,331.42/192,856.46
  6. Step 6: Final answer
    x = 99,726.65

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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.