Home / 186,522.04-279,575.30-74,172.21

Finding the Fourth Proportional to 186,522.04, 279,575.30 and 74,172.21

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Solution

The fourth proportional to 186,522.04, 279,575.30 and 74,172.21 is: 111,175.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,522.04 : 279,575.30 = 74,172.21 : x
  2. Step 2: Convert to fraction form
    186,522.04/279,575.30 = 74,172.21/x
  3. Step 3: Cross multiply
    186,522.04x = 279,575.30 × 74,172.21
  4. Step 4: Simplify right side
    186,522.04x = 20,736,716,582.22
  5. Step 5: Solve for x
    x = 20,736,716,582.22/186,522.04
  6. Step 6: Final answer
    x = 111,175.69

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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.