Home / 136,293.99-188,085.67-75,863.34

Finding the Fourth Proportional to 136,293.99, 188,085.67 and 75,863.34

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Solution

The fourth proportional to 136,293.99, 188,085.67 and 75,863.34 is: 104,691.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,293.99 : 188,085.67 = 75,863.34 : x
  2. Step 2: Convert to fraction form
    136,293.99/188,085.67 = 75,863.34/x
  3. Step 3: Cross multiply
    136,293.99x = 188,085.67 × 75,863.34
  4. Step 4: Simplify right side
    136,293.99x = 14,268,807,132.34
  5. Step 5: Solve for x
    x = 14,268,807,132.34/136,293.99
  6. Step 6: Final answer
    x = 104,691.39

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1.5x scale

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.