Home / 126,380.22-189,569.79-51,483.66

Finding the Fourth Proportional to 126,380.22, 189,569.79 and 51,483.66

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Solution

The fourth proportional to 126,380.22, 189,569.79 and 51,483.66 is: 77,225.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,380.22 : 189,569.79 = 51,483.66 : x
  2. Step 2: Convert to fraction form
    126,380.22/189,569.79 = 51,483.66/x
  3. Step 3: Cross multiply
    126,380.22x = 189,569.79 × 51,483.66
  4. Step 4: Simplify right side
    126,380.22x = 9,759,746,614.63
  5. Step 5: Solve for x
    x = 9,759,746,614.63/126,380.22
  6. Step 6: Final answer
    x = 77,225.27

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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.