Home / 131,865.12-197,822.64-52,985.52

Finding the Fourth Proportional to 131,865.12, 197,822.64 and 52,985.52

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Solution

The fourth proportional to 131,865.12, 197,822.64 and 52,985.52 is: 79,488.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,865.12 : 197,822.64 = 52,985.52 : x
  2. Step 2: Convert to fraction form
    131,865.12/197,822.64 = 52,985.52/x
  3. Step 3: Cross multiply
    131,865.12x = 197,822.64 × 52,985.52
  4. Step 4: Simplify right side
    131,865.12x = 10,481,735,448.17
  5. Step 5: Solve for x
    x = 10,481,735,448.17/131,865.12
  6. Step 6: Final answer
    x = 79,488.31

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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.