Home / 136,416.34-204,653.67-66,335.14

Finding the Fourth Proportional to 136,416.34, 204,653.67 and 66,335.14

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Solution

The fourth proportional to 136,416.34, 204,653.67 and 66,335.14 is: 99,516.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,416.34 : 204,653.67 = 66,335.14 : x
  2. Step 2: Convert to fraction form
    136,416.34/204,653.67 = 66,335.14/x
  3. Step 3: Cross multiply
    136,416.34x = 204,653.67 × 66,335.14
  4. Step 4: Simplify right side
    136,416.34x = 13,575,729,850.96
  5. Step 5: Solve for x
    x = 13,575,729,850.96/136,416.34
  6. Step 6: Final answer
    x = 99,516.89

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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.