Home / 129,239.60-193,780.02-50,261.81

Finding the Fourth Proportional to 129,239.60, 193,780.02 and 50,261.81

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Solution

The fourth proportional to 129,239.60, 193,780.02 and 50,261.81 is: 75,361.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,239.60 : 193,780.02 = 50,261.81 : x
  2. Step 2: Convert to fraction form
    129,239.60/193,780.02 = 50,261.81/x
  3. Step 3: Cross multiply
    129,239.60x = 193,780.02 × 50,261.81
  4. Step 4: Simplify right side
    129,239.60x = 9,739,734,547.04
  5. Step 5: Solve for x
    x = 9,739,734,547.04/129,239.60
  6. Step 6: Final answer
    x = 75,361.84

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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.