Home / 130,992.16-196,253.52-79,607.44

Finding the Fourth Proportional to 130,992.16, 196,253.52 and 79,607.44

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Solution

The fourth proportional to 130,992.16, 196,253.52 and 79,607.44 is: 119,268.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,992.16 : 196,253.52 = 79,607.44 : x
  2. Step 2: Convert to fraction form
    130,992.16/196,253.52 = 79,607.44/x
  3. Step 3: Cross multiply
    130,992.16x = 196,253.52 × 79,607.44
  4. Step 4: Simplify right side
    130,992.16x = 15,623,240,318.19
  5. Step 5: Solve for x
    x = 15,623,240,318.19/130,992.16
  6. Step 6: Final answer
    x = 119,268.51

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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.