Home / 201,716.90-302,575.35-130,858.10

Finding the Fourth Proportional to 201,716.90, 302,575.35 and 130,858.10

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Solution

The fourth proportional to 201,716.90, 302,575.35 and 130,858.10 is: 196,287.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,716.90 : 302,575.35 = 130,858.10 : x
  2. Step 2: Convert to fraction form
    201,716.90/302,575.35 = 130,858.10/x
  3. Step 3: Cross multiply
    201,716.90x = 302,575.35 × 130,858.10
  4. Step 4: Simplify right side
    201,716.90x = 39,594,435,407.84
  5. Step 5: Solve for x
    x = 39,594,435,407.84/201,716.90
  6. Step 6: Final answer
    x = 196,287.15

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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.