Home / 307,095.18-423,825.66-171,141.54

Finding the Fourth Proportional to 307,095.18, 423,825.66 and 171,141.54

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Solution

The fourth proportional to 307,095.18, 423,825.66 and 171,141.54 is: 236,194.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,095.18 : 423,825.66 = 171,141.54 : x
  2. Step 2: Convert to fraction form
    307,095.18/423,825.66 = 171,141.54/x
  3. Step 3: Cross multiply
    307,095.18x = 423,825.66 × 171,141.54
  4. Step 4: Simplify right side
    307,095.18x = 72,534,176,143.92
  5. Step 5: Solve for x
    x = 72,534,176,143.92/307,095.18
  6. Step 6: Final answer
    x = 236,194.45

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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.