Home / 130,029.56-179,418.96-79,033.52

Finding the Fourth Proportional to 130,029.56, 179,418.96 and 79,033.52

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Solution

The fourth proportional to 130,029.56, 179,418.96 and 79,033.52 is: 109,052.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,029.56 : 179,418.96 = 79,033.52 : x
  2. Step 2: Convert to fraction form
    130,029.56/179,418.96 = 79,033.52/x
  3. Step 3: Cross multiply
    130,029.56x = 179,418.96 × 79,033.52
  4. Step 4: Simplify right side
    130,029.56x = 14,180,111,963.54
  5. Step 5: Solve for x
    x = 14,180,111,963.54/130,029.56
  6. Step 6: Final answer
    x = 109,052.99

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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.