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Finding the Fourth Proportional to 150,843.84, 208,157.76 and 90,447.80

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Solution

The fourth proportional to 150,843.84, 208,157.76 and 90,447.80 is: 124,813.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,843.84 : 208,157.76 = 90,447.80 : x
  2. Step 2: Convert to fraction form
    150,843.84/208,157.76 = 90,447.80/x
  3. Step 3: Cross multiply
    150,843.84x = 208,157.76 × 90,447.80
  4. Step 4: Simplify right side
    150,843.84x = 18,827,411,444.93
  5. Step 5: Solve for x
    x = 18,827,411,444.93/150,843.84
  6. Step 6: Final answer
    x = 124,813.92

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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.