Home / 201,611.35-302,417.03-130,752.55

Finding the Fourth Proportional to 201,611.35, 302,417.03 and 130,752.55

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Solution

The fourth proportional to 201,611.35, 302,417.03 and 130,752.55 is: 196,128.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,611.35 : 302,417.03 = 130,752.55 : x
  2. Step 2: Convert to fraction form
    201,611.35/302,417.03 = 130,752.55/x
  3. Step 3: Cross multiply
    201,611.35x = 302,417.03 × 130,752.55
  4. Step 4: Simplify right side
    201,611.35x = 39,541,797,182.16
  5. Step 5: Solve for x
    x = 39,541,797,182.16/201,611.35
  6. Step 6: Final answer
    x = 196,128.83

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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.