Home / 170,702.25-256,104.63-80,813.49

Finding the Fourth Proportional to 170,702.25, 256,104.63 and 80,813.49

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Solution

The fourth proportional to 170,702.25, 256,104.63 and 80,813.49 is: 121,244.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,702.25 : 256,104.63 = 80,813.49 : x
  2. Step 2: Convert to fraction form
    170,702.25/256,104.63 = 80,813.49/x
  3. Step 3: Cross multiply
    170,702.25x = 256,104.63 × 80,813.49
  4. Step 4: Simplify right side
    170,702.25x = 20,696,708,955.46
  5. Step 5: Solve for x
    x = 20,696,708,955.46/170,702.25
  6. Step 6: Final answer
    x = 121,244.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.