Home / 134,161.12-185,131.50-77,576.14

Finding the Fourth Proportional to 134,161.12, 185,131.50 and 77,576.14

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Solution

The fourth proportional to 134,161.12, 185,131.50 and 77,576.14 is: 107,048.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,161.12 : 185,131.50 = 77,576.14 : x
  2. Step 2: Convert to fraction form
    134,161.12/185,131.50 = 77,576.14/x
  3. Step 3: Cross multiply
    134,161.12x = 185,131.50 × 77,576.14
  4. Step 4: Simplify right side
    134,161.12x = 14,361,787,162.41
  5. Step 5: Solve for x
    x = 14,361,787,162.41/134,161.12
  6. Step 6: Final answer
    x = 107,048.80

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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.