Home / 130,330.56-195,359.04-55,433.28

Finding the Fourth Proportional to 130,330.56, 195,359.04 and 55,433.28

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Solution

The fourth proportional to 130,330.56, 195,359.04 and 55,433.28 is: 83,091.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,330.56 : 195,359.04 = 55,433.28 : x
  2. Step 2: Convert to fraction form
    130,330.56/195,359.04 = 55,433.28/x
  3. Step 3: Cross multiply
    130,330.56x = 195,359.04 × 55,433.28
  4. Step 4: Simplify right side
    130,330.56x = 10,829,392,364.85
  5. Step 5: Solve for x
    x = 10,829,392,364.85/130,330.56
  6. Step 6: Final answer
    x = 83,091.74

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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.