Home / 124,744.57-172,147.21-68,156.35

Finding the Fourth Proportional to 124,744.57, 172,147.21 and 68,156.35

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Solution

The fourth proportional to 124,744.57, 172,147.21 and 68,156.35 is: 94,055.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,744.57 : 172,147.21 = 68,156.35 : x
  2. Step 2: Convert to fraction form
    124,744.57/172,147.21 = 68,156.35/x
  3. Step 3: Cross multiply
    124,744.57x = 172,147.21 × 68,156.35
  4. Step 4: Simplify right side
    124,744.57x = 11,732,925,496.28
  5. Step 5: Solve for x
    x = 11,732,925,496.28/124,744.57
  6. Step 6: Final answer
    x = 94,055.60

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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.