Home / 130,281.60-195,362.24-55,361.80

Finding the Fourth Proportional to 130,281.60, 195,362.24 and 55,361.80

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Solution

The fourth proportional to 130,281.60, 195,362.24 and 55,361.80 is: 83,017.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,281.60 : 195,362.24 = 55,361.80 : x
  2. Step 2: Convert to fraction form
    130,281.60/195,362.24 = 55,361.80/x
  3. Step 3: Cross multiply
    130,281.60x = 195,362.24 × 55,361.80
  4. Step 4: Simplify right side
    130,281.60x = 10,815,605,258.43
  5. Step 5: Solve for x
    x = 10,815,605,258.43/130,281.60
  6. Step 6: Final answer
    x = 83,017.14

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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.