Home / 136,560.75-188,465.07-75,318.93

Finding the Fourth Proportional to 136,560.75, 188,465.07 and 75,318.93

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Solution

The fourth proportional to 136,560.75, 188,465.07 and 75,318.93 is: 103,946.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,560.75 : 188,465.07 = 75,318.93 : x
  2. Step 2: Convert to fraction form
    136,560.75/188,465.07 = 75,318.93/x
  3. Step 3: Cross multiply
    136,560.75x = 188,465.07 × 75,318.93
  4. Step 4: Simplify right side
    136,560.75x = 14,194,987,414.78
  5. Step 5: Solve for x
    x = 14,194,987,414.78/136,560.75
  6. Step 6: Final answer
    x = 103,946.32

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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.