Home / 136,494.85-188,363.07-76,064.17

Finding the Fourth Proportional to 136,494.85, 188,363.07 and 76,064.17

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Solution

The fourth proportional to 136,494.85, 188,363.07 and 76,064.17 is: 104,968.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,494.85 : 188,363.07 = 76,064.17 : x
  2. Step 2: Convert to fraction form
    136,494.85/188,363.07 = 76,064.17/x
  3. Step 3: Cross multiply
    136,494.85x = 188,363.07 × 76,064.17
  4. Step 4: Simplify right side
    136,494.85x = 14,327,679,636.39
  5. Step 5: Solve for x
    x = 14,327,679,636.39/136,494.85
  6. Step 6: Final answer
    x = 104,968.65

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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.