Home / 76,188.31-113,819.13-49,315.36

Finding the Fourth Proportional to 76,188.31, 113,819.13 and 49,315.36

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Solution

The fourth proportional to 76,188.31, 113,819.13 and 49,315.36 is: 73,673.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,188.31 : 113,819.13 = 49,315.36 : x
  2. Step 2: Convert to fraction form
    76,188.31/113,819.13 = 49,315.36/x
  3. Step 3: Cross multiply
    76,188.31x = 113,819.13 × 49,315.36
  4. Step 4: Simplify right side
    76,188.31x = 5,613,030,555.16
  5. Step 5: Solve for x
    x = 5,613,030,555.16/76,188.31
  6. Step 6: Final answer
    x = 73,673.13

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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.