Home / 79,757.56-119,195.67-75,148.45

Finding the Fourth Proportional to 79,757.56, 119,195.67 and 75,148.45

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Solution

The fourth proportional to 79,757.56, 119,195.67 and 75,148.45 is: 112,307.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,757.56 : 119,195.67 = 75,148.45 : x
  2. Step 2: Convert to fraction form
    79,757.56/119,195.67 = 75,148.45/x
  3. Step 3: Cross multiply
    79,757.56x = 119,195.67 × 75,148.45
  4. Step 4: Simplify right side
    79,757.56x = 8,957,369,847.21
  5. Step 5: Solve for x
    x = 8,957,369,847.21/79,757.56
  6. Step 6: Final answer
    x = 112,307.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.