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Finding the Fourth Proportional to 101,136.60, 141,328.80 and 101,136.60

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Solution

The fourth proportional to 101,136.60, 141,328.80 and 101,136.60 is: 141,328.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,136.60 : 141,328.80 = 101,136.60 : x
  2. Step 2: Convert to fraction form
    101,136.60/141,328.80 = 101,136.60/x
  3. Step 3: Cross multiply
    101,136.60x = 141,328.80 × 101,136.60
  4. Step 4: Simplify right side
    101,136.60x = 14,293,514,314.08
  5. Step 5: Solve for x
    x = 14,293,514,314.08/101,136.60
  6. Step 6: Final answer
    x = 141,328.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.