Home / 131,982.40-197,714.40-122,651.20

Finding the Fourth Proportional to 131,982.40, 197,714.40 and 122,651.20

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Solution

The fourth proportional to 131,982.40, 197,714.40 and 122,651.20 is: 183,735.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,982.40 : 197,714.40 = 122,651.20 : x
  2. Step 2: Convert to fraction form
    131,982.40/197,714.40 = 122,651.20/x
  3. Step 3: Cross multiply
    131,982.40x = 197,714.40 × 122,651.20
  4. Step 4: Simplify right side
    131,982.40x = 24,249,908,417.28
  5. Step 5: Solve for x
    x = 24,249,908,417.28/131,982.40
  6. Step 6: Final answer
    x = 183,735.93

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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.