Home / 125,286.04-172,896.42-68,697.28

Finding the Fourth Proportional to 125,286.04, 172,896.42 and 68,697.28

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Solution

The fourth proportional to 125,286.04, 172,896.42 and 68,697.28 is: 94,803.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,286.04 : 172,896.42 = 68,697.28 : x
  2. Step 2: Convert to fraction form
    125,286.04/172,896.42 = 68,697.28/x
  3. Step 3: Cross multiply
    125,286.04x = 172,896.42 × 68,697.28
  4. Step 4: Simplify right side
    125,286.04x = 11,877,513,775.74
  5. Step 5: Solve for x
    x = 11,877,513,775.74/125,286.04
  6. Step 6: Final answer
    x = 94,803.17

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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.