Home / 130,069.14-179,491.62-72,708.59

Finding the Fourth Proportional to 130,069.14, 179,491.62 and 72,708.59

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Solution

The fourth proportional to 130,069.14, 179,491.62 and 72,708.59 is: 100,335.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,069.14 : 179,491.62 = 72,708.59 : x
  2. Step 2: Convert to fraction form
    130,069.14/179,491.62 = 72,708.59/x
  3. Step 3: Cross multiply
    130,069.14x = 179,491.62 × 72,708.59
  4. Step 4: Simplify right side
    130,069.14x = 13,050,581,709.56
  5. Step 5: Solve for x
    x = 13,050,581,709.56/130,069.14
  6. Step 6: Final answer
    x = 100,335.73

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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.