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Finding the Fourth Proportional to 130,392, 195,557.28 and 35,599.62

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Solution

The fourth proportional to 130,392, 195,557.28 and 35,599.62 is: 53,391.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,392 : 195,557.28 = 35,599.62 : x
  2. Step 2: Convert to fraction form
    130,392/195,557.28 = 35,599.62/x
  3. Step 3: Cross multiply
    130,392x = 195,557.28 × 35,599.62
  4. Step 4: Simplify right side
    130,392x = 6,961,764,856.23
  5. Step 5: Solve for x
    x = 6,961,764,856.23/130,392
  6. Step 6: Final answer
    x = 53,391.04

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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.