Home / 124,994.18-172,485.30-68,394.62

Finding the Fourth Proportional to 124,994.18, 172,485.30 and 68,394.62

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Solution

The fourth proportional to 124,994.18, 172,485.30 and 68,394.62 is: 94,380.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,994.18 : 172,485.30 = 68,394.62 : x
  2. Step 2: Convert to fraction form
    124,994.18/172,485.30 = 68,394.62/x
  3. Step 3: Cross multiply
    124,994.18x = 172,485.30 × 68,394.62
  4. Step 4: Simplify right side
    124,994.18x = 11,797,066,549.09
  5. Step 5: Solve for x
    x = 11,797,066,549.09/124,994.18
  6. Step 6: Final answer
    x = 94,380.93

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1.5x scale

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.