Home / 126,582.32-189,894.54-51,742.64

Finding the Fourth Proportional to 126,582.32, 189,894.54 and 51,742.64

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Solution

The fourth proportional to 126,582.32, 189,894.54 and 51,742.64 is: 77,622.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,582.32 : 189,894.54 = 51,742.64 : x
  2. Step 2: Convert to fraction form
    126,582.32/189,894.54 = 51,742.64/x
  3. Step 3: Cross multiply
    126,582.32x = 189,894.54 × 51,742.64
  4. Step 4: Simplify right side
    126,582.32x = 9,825,644,821.19
  5. Step 5: Solve for x
    x = 9,825,644,821.19/126,582.32
  6. Step 6: Final answer
    x = 77,622.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.