Home / 136,284.86-204,412.91-36,455.12

Finding the Fourth Proportional to 136,284.86, 204,412.91 and 36,455.12

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Solution

The fourth proportional to 136,284.86, 204,412.91 and 36,455.12 is: 54,678.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,284.86 : 204,412.91 = 36,455.12 : x
  2. Step 2: Convert to fraction form
    136,284.86/204,412.91 = 36,455.12/x
  3. Step 3: Cross multiply
    136,284.86x = 204,412.91 × 36,455.12
  4. Step 4: Simplify right side
    136,284.86x = 7,451,897,492.36
  5. Step 5: Solve for x
    x = 7,451,897,492.36/136,284.86
  6. Step 6: Final answer
    x = 54,678.84

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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.