Home / 130,033.83-179,444.57-72,673.95

Finding the Fourth Proportional to 130,033.83, 179,444.57 and 72,673.95

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Solution

The fourth proportional to 130,033.83, 179,444.57 and 72,673.95 is: 100,288.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,033.83 : 179,444.57 = 72,673.95 : x
  2. Step 2: Convert to fraction form
    130,033.83/179,444.57 = 72,673.95/x
  3. Step 3: Cross multiply
    130,033.83x = 179,444.57 × 72,673.95
  4. Step 4: Simplify right side
    130,033.83x = 13,040,945,344.58
  5. Step 5: Solve for x
    x = 13,040,945,344.58/130,033.83
  6. Step 6: Final answer
    x = 100,288.87

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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.