Home / 201,748.90-302,185.95-130,890.10

Finding the Fourth Proportional to 201,748.90, 302,185.95 and 130,890.10

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Solution

The fourth proportional to 201,748.90, 302,185.95 and 130,890.10 is: 196,051.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,748.90 : 302,185.95 = 130,890.10 : x
  2. Step 2: Convert to fraction form
    201,748.90/302,185.95 = 130,890.10/x
  3. Step 3: Cross multiply
    201,748.90x = 302,185.95 × 130,890.10
  4. Step 4: Simplify right side
    201,748.90x = 39,553,149,214.10
  5. Step 5: Solve for x
    x = 39,553,149,214.10/201,748.90
  6. Step 6: Final answer
    x = 196,051.37

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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.