Home / 186,054.08-279,078.72-45,813.92

Finding the Fourth Proportional to 186,054.08, 279,078.72 and 45,813.92

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Solution

The fourth proportional to 186,054.08, 279,078.72 and 45,813.92 is: 68,720.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,054.08 : 279,078.72 = 45,813.92 : x
  2. Step 2: Convert to fraction form
    186,054.08/279,078.72 = 45,813.92/x
  3. Step 3: Cross multiply
    186,054.08x = 279,078.72 × 45,813.92
  4. Step 4: Simplify right side
    186,054.08x = 12,785,690,151.78
  5. Step 5: Solve for x
    x = 12,785,690,151.78/186,054.08
  6. Step 6: Final answer
    x = 68,720.29

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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.