Home / 122,403.42-183,604.80-69,071.16

Finding the Fourth Proportional to 122,403.42, 183,604.80 and 69,071.16

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Solution

The fourth proportional to 122,403.42, 183,604.80 and 69,071.16 is: 103,606.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,403.42 : 183,604.80 = 69,071.16 : x
  2. Step 2: Convert to fraction form
    122,403.42/183,604.80 = 69,071.16/x
  3. Step 3: Cross multiply
    122,403.42x = 183,604.80 × 69,071.16
  4. Step 4: Simplify right side
    122,403.42x = 12,681,796,517.57
  5. Step 5: Solve for x
    x = 12,681,796,517.57/122,403.42
  6. Step 6: Final answer
    x = 103,606.55

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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.