Home / 124,131.91-186,197.58-45,213.88

Finding the Fourth Proportional to 124,131.91, 186,197.58 and 45,213.88

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Solution

The fourth proportional to 124,131.91, 186,197.58 and 45,213.88 is: 67,820.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,131.91 : 186,197.58 = 45,213.88 : x
  2. Step 2: Convert to fraction form
    124,131.91/186,197.58 = 45,213.88/x
  3. Step 3: Cross multiply
    124,131.91x = 186,197.58 × 45,213.88
  4. Step 4: Simplify right side
    124,131.91x = 8,418,715,038.41
  5. Step 5: Solve for x
    x = 8,418,715,038.41/124,131.91
  6. Step 6: Final answer
    x = 67,820.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.