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Finding the Fourth Proportional to 85,300.76, 127,946.52 and 26,136.60

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Solution

The fourth proportional to 85,300.76, 127,946.52 and 26,136.60 is: 39,203.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,300.76 : 127,946.52 = 26,136.60 : x
  2. Step 2: Convert to fraction form
    85,300.76/127,946.52 = 26,136.60/x
  3. Step 3: Cross multiply
    85,300.76x = 127,946.52 × 26,136.60
  4. Step 4: Simplify right side
    85,300.76x = 3,344,087,272.58
  5. Step 5: Solve for x
    x = 3,344,087,272.58/85,300.76
  6. Step 6: Final answer
    x = 39,203.49

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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.