Home / 136,292.49-188,083.60-75,861.83

Finding the Fourth Proportional to 136,292.49, 188,083.60 and 75,861.83

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Solution

The fourth proportional to 136,292.49, 188,083.60 and 75,861.83 is: 104,689.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,292.49 : 188,083.60 = 75,861.83 : x
  2. Step 2: Convert to fraction form
    136,292.49/188,083.60 = 75,861.83/x
  3. Step 3: Cross multiply
    136,292.49x = 188,083.60 × 75,861.83
  4. Step 4: Simplify right side
    136,292.49x = 14,268,366,088.99
  5. Step 5: Solve for x
    x = 14,268,366,088.99/136,292.49
  6. Step 6: Final answer
    x = 104,689.31

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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.