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Finding the Fourth Proportional to 97,133.25, 134,053.49 and 56,844.61

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Solution

The fourth proportional to 97,133.25, 134,053.49 and 56,844.61 is: 78,451.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,133.25 : 134,053.49 = 56,844.61 : x
  2. Step 2: Convert to fraction form
    97,133.25/134,053.49 = 56,844.61/x
  3. Step 3: Cross multiply
    97,133.25x = 134,053.49 × 56,844.61
  4. Step 4: Simplify right side
    97,133.25x = 7,620,218,358.19
  5. Step 5: Solve for x
    x = 7,620,218,358.19/97,133.25
  6. Step 6: Final answer
    x = 78,451.18

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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.