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Finding the Fourth Proportional to 155,889.00, 215,127.13 and 84,269.02

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Solution

The fourth proportional to 155,889.00, 215,127.13 and 84,269.02 is: 116,291.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,889.00 : 215,127.13 = 84,269.02 : x
  2. Step 2: Convert to fraction form
    155,889.00/215,127.13 = 84,269.02/x
  3. Step 3: Cross multiply
    155,889.00x = 215,127.13 × 84,269.02
  4. Step 4: Simplify right side
    155,889.00x = 18,128,552,173.54
  5. Step 5: Solve for x
    x = 18,128,552,173.54/155,889.00
  6. Step 6: Final answer
    x = 116,291.42

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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.