Home / 130,194-179,659.22-72,823.35

Finding the Fourth Proportional to 130,194, 179,659.22 and 72,823.35

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Solution

The fourth proportional to 130,194, 179,659.22 and 72,823.35 is: 100,491.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,194 : 179,659.22 = 72,823.35 : x
  2. Step 2: Convert to fraction form
    130,194/179,659.22 = 72,823.35/x
  3. Step 3: Cross multiply
    130,194x = 179,659.22 × 72,823.35
  4. Step 4: Simplify right side
    130,194x = 13,083,386,568.39
  5. Step 5: Solve for x
    x = 13,083,386,568.39/130,194
  6. Step 6: Final answer
    x = 100,491.47

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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.