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Finding the Fourth Proportional to 130,059.97, 195,089.97 and 36,565.72

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Solution

The fourth proportional to 130,059.97, 195,089.97 and 36,565.72 is: 54,848.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,059.97 : 195,089.97 = 36,565.72 : x
  2. Step 2: Convert to fraction form
    130,059.97/195,089.97 = 36,565.72/x
  3. Step 3: Cross multiply
    130,059.97x = 195,089.97 × 36,565.72
  4. Step 4: Simplify right side
    130,059.97x = 7,133,605,217.83
  5. Step 5: Solve for x
    x = 7,133,605,217.83/130,059.97
  6. Step 6: Final answer
    x = 54,848.58

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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.