Home / 130,372.20-179,898.77-73,003.55

Finding the Fourth Proportional to 130,372.20, 179,898.77 and 73,003.55

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Solution

The fourth proportional to 130,372.20, 179,898.77 and 73,003.55 is: 100,736.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,372.20 : 179,898.77 = 73,003.55 : x
  2. Step 2: Convert to fraction form
    130,372.20/179,898.77 = 73,003.55/x
  3. Step 3: Cross multiply
    130,372.20x = 179,898.77 × 73,003.55
  4. Step 4: Simplify right side
    130,372.20x = 13,133,248,133.65
  5. Step 5: Solve for x
    x = 13,133,248,133.65/130,372.20
  6. Step 6: Final answer
    x = 100,736.57

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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.