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Finding the Fourth Proportional to 80,136.08, 110,614.08 and 56,268.68

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Solution

The fourth proportional to 80,136.08, 110,614.08 and 56,268.68 is: 77,669.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,136.08 : 110,614.08 = 56,268.68 : x
  2. Step 2: Convert to fraction form
    80,136.08/110,614.08 = 56,268.68/x
  3. Step 3: Cross multiply
    80,136.08x = 110,614.08 × 56,268.68
  4. Step 4: Simplify right side
    80,136.08x = 6,224,108,271.01
  5. Step 5: Solve for x
    x = 6,224,108,271.01/80,136.08
  6. Step 6: Final answer
    x = 77,669.24

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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.