Home / 129,671.02-194,506.53-40,986.81

Finding the Fourth Proportional to 129,671.02, 194,506.53 and 40,986.81

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Solution

The fourth proportional to 129,671.02, 194,506.53 and 40,986.81 is: 61,480.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,671.02 : 194,506.53 = 40,986.81 : x
  2. Step 2: Convert to fraction form
    129,671.02/194,506.53 = 40,986.81/x
  3. Step 3: Cross multiply
    129,671.02x = 194,506.53 × 40,986.81
  4. Step 4: Simplify right side
    129,671.02x = 7,972,202,188.87
  5. Step 5: Solve for x
    x = 7,972,202,188.87/129,671.02
  6. Step 6: Final answer
    x = 61,480.22

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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.