Home / 124,983.60-172,476.72-68,395.92

Finding the Fourth Proportional to 124,983.60, 172,476.72 and 68,395.92

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Solution

The fourth proportional to 124,983.60, 172,476.72 and 68,395.92 is: 94,386.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,983.60 : 172,476.72 = 68,395.92 : x
  2. Step 2: Convert to fraction form
    124,983.60/172,476.72 = 68,395.92/x
  3. Step 3: Cross multiply
    124,983.60x = 172,476.72 × 68,395.92
  4. Step 4: Simplify right side
    124,983.60x = 11,796,703,942.98
  5. Step 5: Solve for x
    x = 11,796,703,942.98/124,983.60
  6. Step 6: Final answer
    x = 94,386.01

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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.