Home / 130,534.28-180,144.42-73,956.68

Finding the Fourth Proportional to 130,534.28, 180,144.42 and 73,956.68

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Solution

The fourth proportional to 130,534.28, 180,144.42 and 73,956.68 is: 102,064.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,534.28 : 180,144.42 = 73,956.68 : x
  2. Step 2: Convert to fraction form
    130,534.28/180,144.42 = 73,956.68/x
  3. Step 3: Cross multiply
    130,534.28x = 180,144.42 × 73,956.68
  4. Step 4: Simplify right side
    130,534.28x = 13,322,883,223.73
  5. Step 5: Solve for x
    x = 13,322,883,223.73/130,534.28
  6. Step 6: Final answer
    x = 102,064.25

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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.