Home / 112,576.43-155,366.30-67,253.90

Finding the Fourth Proportional to 112,576.43, 155,366.30 and 67,253.90

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Solution

The fourth proportional to 112,576.43, 155,366.30 and 67,253.90 is: 92,816.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,576.43 : 155,366.30 = 67,253.90 : x
  2. Step 2: Convert to fraction form
    112,576.43/155,366.30 = 67,253.90/x
  3. Step 3: Cross multiply
    112,576.43x = 155,366.30 × 67,253.90
  4. Step 4: Simplify right side
    112,576.43x = 10,448,988,994.87
  5. Step 5: Solve for x
    x = 10,448,988,994.87/112,576.43
  6. Step 6: Final answer
    x = 92,816.84

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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.