Home / 130,415.96-179,974.77-76,703.24

Finding the Fourth Proportional to 130,415.96, 179,974.77 and 76,703.24

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Solution

The fourth proportional to 130,415.96, 179,974.77 and 76,703.24 is: 105,850.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,415.96 : 179,974.77 = 76,703.24 : x
  2. Step 2: Convert to fraction form
    130,415.96/179,974.77 = 76,703.24/x
  3. Step 3: Cross multiply
    130,415.96x = 179,974.77 × 76,703.24
  4. Step 4: Simplify right side
    130,415.96x = 13,804,647,977.25
  5. Step 5: Solve for x
    x = 13,804,647,977.25/130,415.96
  6. Step 6: Final answer
    x = 105,850.91

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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.