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Finding the Fourth Proportional to 116,273.40, 174,410.10 and 82,812.30

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Solution

The fourth proportional to 116,273.40, 174,410.10 and 82,812.30 is: 124,218.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,273.40 : 174,410.10 = 82,812.30 : x
  2. Step 2: Convert to fraction form
    116,273.40/174,410.10 = 82,812.30/x
  3. Step 3: Cross multiply
    116,273.40x = 174,410.10 × 82,812.30
  4. Step 4: Simplify right side
    116,273.40x = 14,443,301,524.23
  5. Step 5: Solve for x
    x = 14,443,301,524.23/116,273.40
  6. Step 6: Final answer
    x = 124,218.45

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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.