Home / 129,848.60-194,772.90-94,419.20

Finding the Fourth Proportional to 129,848.60, 194,772.90 and 94,419.20

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Solution

The fourth proportional to 129,848.60, 194,772.90 and 94,419.20 is: 141,628.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,848.60 : 194,772.90 = 94,419.20 : x
  2. Step 2: Convert to fraction form
    129,848.60/194,772.90 = 94,419.20/x
  3. Step 3: Cross multiply
    129,848.60x = 194,772.90 × 94,419.20
  4. Step 4: Simplify right side
    129,848.60x = 18,390,301,399.68
  5. Step 5: Solve for x
    x = 18,390,301,399.68/129,848.60
  6. Step 6: Final answer
    x = 141,628.80

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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.