Home / 130,266.05-195,417.30-55,385.60

Finding the Fourth Proportional to 130,266.05, 195,417.30 and 55,385.60

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Solution

The fourth proportional to 130,266.05, 195,417.30 and 55,385.60 is: 83,086.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,266.05 : 195,417.30 = 55,385.60 : x
  2. Step 2: Convert to fraction form
    130,266.05/195,417.30 = 55,385.60/x
  3. Step 3: Cross multiply
    130,266.05x = 195,417.30 × 55,385.60
  4. Step 4: Simplify right side
    130,266.05x = 10,823,304,410.88
  5. Step 5: Solve for x
    x = 10,823,304,410.88/130,266.05
  6. Step 6: Final answer
    x = 83,086.15

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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.