Home / 112,623.80-155,396.04-67,295

Finding the Fourth Proportional to 112,623.80, 155,396.04 and 67,295

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Solution

The fourth proportional to 112,623.80, 155,396.04 and 67,295 is: 92,852.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,623.80 : 155,396.04 = 67,295 : x
  2. Step 2: Convert to fraction form
    112,623.80/155,396.04 = 67,295/x
  3. Step 3: Cross multiply
    112,623.80x = 155,396.04 × 67,295
  4. Step 4: Simplify right side
    112,623.80x = 10,457,376,511.80
  5. Step 5: Solve for x
    x = 10,457,376,511.80/112,623.80
  6. Step 6: Final answer
    x = 92,852.28

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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.