Home / 127,725.39-176,269.11-71,136.63

Finding the Fourth Proportional to 127,725.39, 176,269.11 and 71,136.63

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Solution

The fourth proportional to 127,725.39, 176,269.11 and 71,136.63 is: 98,173.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,725.39 : 176,269.11 = 71,136.63 : x
  2. Step 2: Convert to fraction form
    127,725.39/176,269.11 = 71,136.63/x
  3. Step 3: Cross multiply
    127,725.39x = 176,269.11 × 71,136.63
  4. Step 4: Simplify right side
    127,725.39x = 12,539,190,458.50
  5. Step 5: Solve for x
    x = 12,539,190,458.50/127,725.39
  6. Step 6: Final answer
    x = 98,173.04

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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.