Home / 124,954.04-172,366.49-76,579.40

Finding the Fourth Proportional to 124,954.04, 172,366.49 and 76,579.40

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Solution

The fourth proportional to 124,954.04, 172,366.49 and 76,579.40 is: 105,636.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,954.04 : 172,366.49 = 76,579.40 : x
  2. Step 2: Convert to fraction form
    124,954.04/172,366.49 = 76,579.40/x
  3. Step 3: Cross multiply
    124,954.04x = 172,366.49 × 76,579.40
  4. Step 4: Simplify right side
    124,954.04x = 13,199,722,144.98
  5. Step 5: Solve for x
    x = 13,199,722,144.98/124,954.04
  6. Step 6: Final answer
    x = 105,636.62

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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.