Home / 186,004.20-279,071.10-80,898.60

Finding the Fourth Proportional to 186,004.20, 279,071.10 and 80,898.60

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Solution

The fourth proportional to 186,004.20, 279,071.10 and 80,898.60 is: 121,376.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,004.20 : 279,071.10 = 80,898.60 : x
  2. Step 2: Convert to fraction form
    186,004.20/279,071.10 = 80,898.60/x
  3. Step 3: Cross multiply
    186,004.20x = 279,071.10 × 80,898.60
  4. Step 4: Simplify right side
    186,004.20x = 22,576,461,290.46
  5. Step 5: Solve for x
    x = 22,576,461,290.46/186,004.20
  6. Step 6: Final answer
    x = 121,376.08

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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.