Home / 201,964.10-302,946.15-131,461.70

Finding the Fourth Proportional to 201,964.10, 302,946.15 and 131,461.70

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Solution

The fourth proportional to 201,964.10, 302,946.15 and 131,461.70 is: 197,192.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,964.10 : 302,946.15 = 131,461.70 : x
  2. Step 2: Convert to fraction form
    201,964.10/302,946.15 = 131,461.70/x
  3. Step 3: Cross multiply
    201,964.10x = 302,946.15 × 131,461.70
  4. Step 4: Simplify right side
    201,964.10x = 39,825,815,887.46
  5. Step 5: Solve for x
    x = 39,825,815,887.46/201,964.10
  6. Step 6: Final answer
    x = 197,192.55

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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.