Home / 129,195.12-193,792.44-34,425.36

Finding the Fourth Proportional to 129,195.12, 193,792.44 and 34,425.36

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Solution

The fourth proportional to 129,195.12, 193,792.44 and 34,425.36 is: 51,637.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,195.12 : 193,792.44 = 34,425.36 : x
  2. Step 2: Convert to fraction form
    129,195.12/193,792.44 = 34,425.36/x
  3. Step 3: Cross multiply
    129,195.12x = 193,792.44 × 34,425.36
  4. Step 4: Simplify right side
    129,195.12x = 6,671,374,512.28
  5. Step 5: Solve for x
    x = 6,671,374,512.28/129,195.12
  6. Step 6: Final answer
    x = 51,637.98

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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.