Home / 186,645.08-279,479.60-102,229.64

Finding the Fourth Proportional to 186,645.08, 279,479.60 and 102,229.64

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Solution

The fourth proportional to 186,645.08, 279,479.60 and 102,229.64 is: 153,077.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,645.08 : 279,479.60 = 102,229.64 : x
  2. Step 2: Convert to fraction form
    186,645.08/279,479.60 = 102,229.64/x
  3. Step 3: Cross multiply
    186,645.08x = 279,479.60 × 102,229.64
  4. Step 4: Simplify right side
    186,645.08x = 28,571,098,895.34
  5. Step 5: Solve for x
    x = 28,571,098,895.34/186,645.08
  6. Step 6: Final answer
    x = 153,077.16

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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.