Home / 172,445.73-258,707.52-52,513.41

Finding the Fourth Proportional to 172,445.73, 258,707.52 and 52,513.41

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Solution

The fourth proportional to 172,445.73, 258,707.52 and 52,513.41 is: 78,781.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,445.73 : 258,707.52 = 52,513.41 : x
  2. Step 2: Convert to fraction form
    172,445.73/258,707.52 = 52,513.41/x
  3. Step 3: Cross multiply
    172,445.73x = 258,707.52 × 52,513.41
  4. Step 4: Simplify right side
    172,445.73x = 13,585,615,038.00
  5. Step 5: Solve for x
    x = 13,585,615,038.00/172,445.73
  6. Step 6: Final answer
    x = 78,781.97

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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.