Home / 124,983.39-172,477.05-68,394.75

Finding the Fourth Proportional to 124,983.39, 172,477.05 and 68,394.75

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Solution

The fourth proportional to 124,983.39, 172,477.05 and 68,394.75 is: 94,384.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,983.39 : 172,477.05 = 68,394.75 : x
  2. Step 2: Convert to fraction form
    124,983.39/172,477.05 = 68,394.75/x
  3. Step 3: Cross multiply
    124,983.39x = 172,477.05 × 68,394.75
  4. Step 4: Simplify right side
    124,983.39x = 11,796,524,715.49
  5. Step 5: Solve for x
    x = 11,796,524,715.49/124,983.39
  6. Step 6: Final answer
    x = 94,384.74

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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.