Home / 178,980.48-268,397.28-66,668.16

Finding the Fourth Proportional to 178,980.48, 268,397.28 and 66,668.16

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Solution

The fourth proportional to 178,980.48, 268,397.28 and 66,668.16 is: 99,974.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,980.48 : 268,397.28 = 66,668.16 : x
  2. Step 2: Convert to fraction form
    178,980.48/268,397.28 = 66,668.16/x
  3. Step 3: Cross multiply
    178,980.48x = 268,397.28 × 66,668.16
  4. Step 4: Simplify right side
    178,980.48x = 17,893,552,806.60
  5. Step 5: Solve for x
    x = 17,893,552,806.60/178,980.48
  6. Step 6: Final answer
    x = 99,974.88

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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.