Home / 125,285.04-172,895.04-68,696.28

Finding the Fourth Proportional to 125,285.04, 172,895.04 and 68,696.28

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Solution

The fourth proportional to 125,285.04, 172,895.04 and 68,696.28 is: 94,801.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,285.04 : 172,895.04 = 68,696.28 : x
  2. Step 2: Convert to fraction form
    125,285.04/172,895.04 = 68,696.28/x
  3. Step 3: Cross multiply
    125,285.04x = 172,895.04 × 68,696.28
  4. Step 4: Simplify right side
    125,285.04x = 11,877,246,078.45
  5. Step 5: Solve for x
    x = 11,877,246,078.45/125,285.04
  6. Step 6: Final answer
    x = 94,801.79

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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.