Home / 136,717.04-188,669.26-76,284.04

Finding the Fourth Proportional to 136,717.04, 188,669.26 and 76,284.04

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Solution

The fourth proportional to 136,717.04, 188,669.26 and 76,284.04 is: 105,271.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,717.04 : 188,669.26 = 76,284.04 : x
  2. Step 2: Convert to fraction form
    136,717.04/188,669.26 = 76,284.04/x
  3. Step 3: Cross multiply
    136,717.04x = 188,669.26 × 76,284.04
  4. Step 4: Simplify right side
    136,717.04x = 14,392,453,376.61
  5. Step 5: Solve for x
    x = 14,392,453,376.61/136,717.04
  6. Step 6: Final answer
    x = 105,271.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.