Home / 122,242.32-183,318.39-42,260.04

Finding the Fourth Proportional to 122,242.32, 183,318.39 and 42,260.04

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Solution

The fourth proportional to 122,242.32, 183,318.39 and 42,260.04 is: 63,374.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,242.32 : 183,318.39 = 42,260.04 : x
  2. Step 2: Convert to fraction form
    122,242.32/183,318.39 = 42,260.04/x
  3. Step 3: Cross multiply
    122,242.32x = 183,318.39 × 42,260.04
  4. Step 4: Simplify right side
    122,242.32x = 7,747,042,494.14
  5. Step 5: Solve for x
    x = 7,747,042,494.14/122,242.32
  6. Step 6: Final answer
    x = 63,374.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.