Home / 112,755.39-155,495.07-67,426.04

Finding the Fourth Proportional to 112,755.39, 155,495.07 and 67,426.04

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Solution

The fourth proportional to 112,755.39, 155,495.07 and 67,426.04 is: 92,983.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,755.39 : 155,495.07 = 67,426.04 : x
  2. Step 2: Convert to fraction form
    112,755.39/155,495.07 = 67,426.04/x
  3. Step 3: Cross multiply
    112,755.39x = 155,495.07 × 67,426.04
  4. Step 4: Simplify right side
    112,755.39x = 10,484,416,032.15
  5. Step 5: Solve for x
    x = 10,484,416,032.15/112,755.39
  6. Step 6: Final answer
    x = 92,983.72

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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.