Home / 124,976.07-172,477.62-71,246.34

Finding the Fourth Proportional to 124,976.07, 172,477.62 and 71,246.34

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Solution

The fourth proportional to 124,976.07, 172,477.62 and 71,246.34 is: 98,326.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,976.07 : 172,477.62 = 71,246.34 : x
  2. Step 2: Convert to fraction form
    124,976.07/172,477.62 = 71,246.34/x
  3. Step 3: Cross multiply
    124,976.07x = 172,477.62 × 71,246.34
  4. Step 4: Simplify right side
    124,976.07x = 12,288,399,156.91
  5. Step 5: Solve for x
    x = 12,288,399,156.91/124,976.07
  6. Step 6: Final answer
    x = 98,326.02

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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.