Home / 129,232-193,845.66-70,441.84

Finding the Fourth Proportional to 129,232, 193,845.66 and 70,441.84

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Solution

The fourth proportional to 129,232, 193,845.66 and 70,441.84 is: 105,661.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,232 : 193,845.66 = 70,441.84 : x
  2. Step 2: Convert to fraction form
    129,232/193,845.66 = 70,441.84/x
  3. Step 3: Cross multiply
    129,232x = 193,845.66 × 70,441.84
  4. Step 4: Simplify right side
    129,232x = 13,654,844,966.41
  5. Step 5: Solve for x
    x = 13,654,844,966.41/129,232
  6. Step 6: Final answer
    x = 105,661.48

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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.