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Finding the Fourth Proportional to 172,065, 237,346.74 and 108,292.08

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Solution

The fourth proportional to 172,065, 237,346.74 and 108,292.08 is: 149,378.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,065 : 237,346.74 = 108,292.08 : x
  2. Step 2: Convert to fraction form
    172,065/237,346.74 = 108,292.08/x
  3. Step 3: Cross multiply
    172,065x = 237,346.74 × 108,292.08
  4. Step 4: Simplify right side
    172,065x = 25,702,772,155.82
  5. Step 5: Solve for x
    x = 25,702,772,155.82/172,065
  6. Step 6: Final answer
    x = 149,378.27

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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.