Home / 130,151.16-179,621.85-79,167.41

Finding the Fourth Proportional to 130,151.16, 179,621.85 and 79,167.41

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Solution

The fourth proportional to 130,151.16, 179,621.85 and 79,167.41 is: 109,259.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,151.16 : 179,621.85 = 79,167.41 : x
  2. Step 2: Convert to fraction form
    130,151.16/179,621.85 = 79,167.41/x
  3. Step 3: Cross multiply
    130,151.16x = 179,621.85 × 79,167.41
  4. Step 4: Simplify right side
    130,151.16x = 14,220,195,745.80
  5. Step 5: Solve for x
    x = 14,220,195,745.80/130,151.16
  6. Step 6: Final answer
    x = 109,259.08

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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.