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Finding the Fourth Proportional to 130.04, 195.02 and 48.86

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Solution

The fourth proportional to 130.04, 195.02 and 48.86 is: 73.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    130.04 : 195.02 = 48.86 : x
  2. Step 2: Convert to fraction form
    130.04/195.02 = 48.86/x
  3. Step 3: Cross multiply
    130.04x = 195.02 × 48.86
  4. Step 4: Simplify right side
    130.04x = 9,528.68
  5. Step 5: Solve for x
    x = 9,528.68/130.04
  6. Step 6: Final answer
    x = 73.27

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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.