Home / 112,885.75-155,766.95-67,553.19

Finding the Fourth Proportional to 112,885.75, 155,766.95 and 67,553.19

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Solution

The fourth proportional to 112,885.75, 155,766.95 and 67,553.19 is: 93,214.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,885.75 : 155,766.95 = 67,553.19 : x
  2. Step 2: Convert to fraction form
    112,885.75/155,766.95 = 67,553.19/x
  3. Step 3: Cross multiply
    112,885.75x = 155,766.95 × 67,553.19
  4. Step 4: Simplify right side
    112,885.75x = 10,522,554,284.63
  5. Step 5: Solve for x
    x = 10,522,554,284.63/112,885.75
  6. Step 6: Final answer
    x = 93,214.19

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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.