Home / 136,292.42-188,083.53-75,861.77

Finding the Fourth Proportional to 136,292.42, 188,083.53 and 75,861.77

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Solution

The fourth proportional to 136,292.42, 188,083.53 and 75,861.77 is: 104,689.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,292.42 : 188,083.53 = 75,861.77 : x
  2. Step 2: Convert to fraction form
    136,292.42/188,083.53 = 75,861.77/x
  3. Step 3: Cross multiply
    136,292.42x = 188,083.53 × 75,861.77
  4. Step 4: Simplify right side
    136,292.42x = 14,268,348,553.23
  5. Step 5: Solve for x
    x = 14,268,348,553.23/136,292.42
  6. Step 6: Final answer
    x = 104,689.23

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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.