Home / 105,500.20-145,658.22-94,150.24

Finding the Fourth Proportional to 105,500.20, 145,658.22 and 94,150.24

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Solution

The fourth proportional to 105,500.20, 145,658.22 and 94,150.24 is: 129,987.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,500.20 : 145,658.22 = 94,150.24 : x
  2. Step 2: Convert to fraction form
    105,500.20/145,658.22 = 94,150.24/x
  3. Step 3: Cross multiply
    105,500.20x = 145,658.22 × 94,150.24
  4. Step 4: Simplify right side
    105,500.20x = 13,713,756,370.97
  5. Step 5: Solve for x
    x = 13,713,756,370.97/105,500.20
  6. Step 6: Final answer
    x = 129,987.97

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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.