Home / 122,513.68-183,818.07-47,686.39

Finding the Fourth Proportional to 122,513.68, 183,818.07 and 47,686.39

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Solution

The fourth proportional to 122,513.68, 183,818.07 and 47,686.39 is: 71,548.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,513.68 : 183,818.07 = 47,686.39 : x
  2. Step 2: Convert to fraction form
    122,513.68/183,818.07 = 47,686.39/x
  3. Step 3: Cross multiply
    122,513.68x = 183,818.07 × 47,686.39
  4. Step 4: Simplify right side
    122,513.68x = 8,765,620,175.07
  5. Step 5: Solve for x
    x = 8,765,620,175.07/122,513.68
  6. Step 6: Final answer
    x = 71,548.09

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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.