Home / 201,743.90-302,178.45-130,885.10

Finding the Fourth Proportional to 201,743.90, 302,178.45 and 130,885.10

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Solution

The fourth proportional to 201,743.90, 302,178.45 and 130,885.10 is: 196,043.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,743.90 : 302,178.45 = 130,885.10 : x
  2. Step 2: Convert to fraction form
    201,743.90/302,178.45 = 130,885.10/x
  3. Step 3: Cross multiply
    201,743.90x = 302,178.45 × 130,885.10
  4. Step 4: Simplify right side
    201,743.90x = 39,550,656,646.10
  5. Step 5: Solve for x
    x = 39,550,656,646.10/201,743.90
  6. Step 6: Final answer
    x = 196,043.88

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1.5x scale

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.