Home / 94,682.22-130,758.66-78,607.74

Finding the Fourth Proportional to 94,682.22, 130,758.66 and 78,607.74

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Solution

The fourth proportional to 94,682.22, 130,758.66 and 78,607.74 is: 108,559.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,682.22 : 130,758.66 = 78,607.74 : x
  2. Step 2: Convert to fraction form
    94,682.22/130,758.66 = 78,607.74/x
  3. Step 3: Cross multiply
    94,682.22x = 130,758.66 × 78,607.74
  4. Step 4: Simplify right side
    94,682.22x = 10,278,642,748.03
  5. Step 5: Solve for x
    x = 10,278,642,748.03/94,682.22
  6. Step 6: Final answer
    x = 108,559.38

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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.