Home / 109,197.74-163,797.53-30,318.12

Finding the Fourth Proportional to 109,197.74, 163,797.53 and 30,318.12

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Solution

The fourth proportional to 109,197.74, 163,797.53 and 30,318.12 is: 45,477.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,197.74 : 163,797.53 = 30,318.12 : x
  2. Step 2: Convert to fraction form
    109,197.74/163,797.53 = 30,318.12/x
  3. Step 3: Cross multiply
    109,197.74x = 163,797.53 × 30,318.12
  4. Step 4: Simplify right side
    109,197.74x = 4,966,033,018.65
  5. Step 5: Solve for x
    x = 4,966,033,018.65/109,197.74
  6. Step 6: Final answer
    x = 45,477.43

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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.