Home / 226,529.12-312,611.39-124,561.17

Finding the Fourth Proportional to 226,529.12, 312,611.39 and 124,561.17

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Solution

The fourth proportional to 226,529.12, 312,611.39 and 124,561.17 is: 171,895.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,529.12 : 312,611.39 = 124,561.17 : x
  2. Step 2: Convert to fraction form
    226,529.12/312,611.39 = 124,561.17/x
  3. Step 3: Cross multiply
    226,529.12x = 312,611.39 × 124,561.17
  4. Step 4: Simplify right side
    226,529.12x = 38,939,239,870.92
  5. Step 5: Solve for x
    x = 38,939,239,870.92/226,529.12
  6. Step 6: Final answer
    x = 171,895.08

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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.