Home / 109,217.46-150,678.94-63,880.95

Finding the Fourth Proportional to 109,217.46, 150,678.94 and 63,880.95

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Solution

The fourth proportional to 109,217.46, 150,678.94 and 63,880.95 is: 88,131.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,217.46 : 150,678.94 = 63,880.95 : x
  2. Step 2: Convert to fraction form
    109,217.46/150,678.94 = 63,880.95/x
  3. Step 3: Cross multiply
    109,217.46x = 150,678.94 × 63,880.95
  4. Step 4: Simplify right side
    109,217.46x = 9,625,513,832.19
  5. Step 5: Solve for x
    x = 9,625,513,832.19/109,217.46
  6. Step 6: Final answer
    x = 88,131.64

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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.