Home / 130,262.68-179,705.43-76,523.46

Finding the Fourth Proportional to 130,262.68, 179,705.43 and 76,523.46

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Solution

The fourth proportional to 130,262.68, 179,705.43 and 76,523.46 is: 105,568.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,262.68 : 179,705.43 = 76,523.46 : x
  2. Step 2: Convert to fraction form
    130,262.68/179,705.43 = 76,523.46/x
  3. Step 3: Cross multiply
    130,262.68x = 179,705.43 × 76,523.46
  4. Step 4: Simplify right side
    130,262.68x = 13,751,681,284.39
  5. Step 5: Solve for x
    x = 13,751,681,284.39/130,262.68
  6. Step 6: Final answer
    x = 105,568.85

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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.