Home / 186,402.06-279,342.45-100,828.18

Finding the Fourth Proportional to 186,402.06, 279,342.45 and 100,828.18

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Solution

The fourth proportional to 186,402.06, 279,342.45 and 100,828.18 is: 151,101.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,402.06 : 279,342.45 = 100,828.18 : x
  2. Step 2: Convert to fraction form
    186,402.06/279,342.45 = 100,828.18/x
  3. Step 3: Cross multiply
    186,402.06x = 279,342.45 × 100,828.18
  4. Step 4: Simplify right side
    186,402.06x = 28,165,590,466.60
  5. Step 5: Solve for x
    x = 28,165,590,466.60/186,402.06
  6. Step 6: Final answer
    x = 151,101.29

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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.