Home / 130,317.71-179,745.69-119,597.21

Finding the Fourth Proportional to 130,317.71, 179,745.69 and 119,597.21

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Solution

The fourth proportional to 130,317.71, 179,745.69 and 119,597.21 is: 164,959.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,317.71 : 179,745.69 = 119,597.21 : x
  2. Step 2: Convert to fraction form
    130,317.71/179,745.69 = 119,597.21/x
  3. Step 3: Cross multiply
    130,317.71x = 179,745.69 × 119,597.21
  4. Step 4: Simplify right side
    130,317.71x = 21,497,083,257.33
  5. Step 5: Solve for x
    x = 21,497,083,257.33/130,317.71
  6. Step 6: Final answer
    x = 164,959.04

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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.