Home / 112,211.52-154,871.94-66,892.43

Finding the Fourth Proportional to 112,211.52, 154,871.94 and 66,892.43

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Solution

The fourth proportional to 112,211.52, 154,871.94 and 66,892.43 is: 92,323.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,211.52 : 154,871.94 = 66,892.43 : x
  2. Step 2: Convert to fraction form
    112,211.52/154,871.94 = 66,892.43/x
  3. Step 3: Cross multiply
    112,211.52x = 154,871.94 × 66,892.43
  4. Step 4: Simplify right side
    112,211.52x = 10,359,759,296.59
  5. Step 5: Solve for x
    x = 10,359,759,296.59/112,211.52
  6. Step 6: Final answer
    x = 92,323.49

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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.