Home / 130,454.56-179,986.50-73,086.19

Finding the Fourth Proportional to 130,454.56, 179,986.50 and 73,086.19

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Solution

The fourth proportional to 130,454.56, 179,986.50 and 73,086.19 is: 100,836.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,454.56 : 179,986.50 = 73,086.19 : x
  2. Step 2: Convert to fraction form
    130,454.56/179,986.50 = 73,086.19/x
  3. Step 3: Cross multiply
    130,454.56x = 179,986.50 × 73,086.19
  4. Step 4: Simplify right side
    130,454.56x = 13,154,527,536.44
  5. Step 5: Solve for x
    x = 13,154,527,536.44/130,454.56
  6. Step 6: Final answer
    x = 100,836.09

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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.