Home / 122,403.12-183,587.40-39,286.32

Finding the Fourth Proportional to 122,403.12, 183,587.40 and 39,286.32

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Solution

The fourth proportional to 122,403.12, 183,587.40 and 39,286.32 is: 58,923.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,403.12 : 183,587.40 = 39,286.32 : x
  2. Step 2: Convert to fraction form
    122,403.12/183,587.40 = 39,286.32/x
  3. Step 3: Cross multiply
    122,403.12x = 183,587.40 × 39,286.32
  4. Step 4: Simplify right side
    122,403.12x = 7,212,473,344.37
  5. Step 5: Solve for x
    x = 7,212,473,344.37/122,403.12
  6. Step 6: Final answer
    x = 58,923.93

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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.